prompt.content: <|im_start|>system
  You are a helpful assistant that is capable of understanding and predicting customer shopping behaviors on Amazon. You first think about the reasoning process in the mind and then predict the customer actions and action argument. The reasoning process and the predicted action and action argument are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think>reasoning process here</think><answer>predicted action and action argument here</answer>.
  <|im_end|>
  <|im_start|>user
  You are given a customer behavior trajectory on Amazon. This trajectory include the customer long-term information (enclosed between <|memory_start|> and <|memory_end|>), previous actions the customer has taken with timestamps (enclosed between <|action_start|> and <|action_end|>), and current observations describing what the customer sees on Amazon (e.g., a search results page, a product detail page) (enclosed between <|observation_start|> and <|observation_end|>). 
  Now your task is to predict the immediate next action and action argument (i.e., input_text, product_asin, or click_type) of this shopper by analyzing shopper shopping behaviors. The available action space and action argument space are provided between <|actionspace_start|> and <|actionspace_end|> to help guide your prediction. Please first analyze the customer's behavior patterns within the  <think> </think> section, then provide your prediction within the <answer> </answer> section, ensuring your prediction falls within the specified action and argument spaces. 
  
  <|actionspace_start|>
  Available actions are represented in JSON format. There are four primary action types with their corresponding action arguments:
  1. input:
  Action: Type text into an input field to search for a specific product. 
  Action Argument: the input_text is the specific text entered by the customer.
  {
  "timestamp": "timestamp",
  "action": "input",
  "action_argument": "input_text",
  }
  
  2. click:
  Action: Click on a UI interface button or clickable element on the Amazon website.
  Action Argument: The clickable_name is one of the UI interface buttons or clickable elements including "review", "search", "product_option", "other", "nav_bar", "quantity", "page_related", "suggested_term", "cart_side_bar", "cart_page_select", and "filter". Select one of these buttons or clickable elements as action argument.
  {
  "timestamp": "timestamp",
  "action": "click",
  "action_argument": "clickable_name",
  }
  
  3. click_product:
  Action: Click on product links or product images.
  Action Argument: the Amazon Standard Identification Number (i.e., product_asin) of the clicked product.
  {
  "timestamp": "timestamp",
  "action": "click_product",
  "action_argument": "product_asin",
  }
  
  4. purchase:
  Action: indicate intent to purchase by clicking on any purchase-related button. This includes clicking "Add to Cart", "Buy Now", "Set Subscription", or "Checkout" buttons for specific products. 
  Action Argument: the Amazon Standard Identification Number (i.e., product_asin) of the product being purchased.
  {
  "timestamp": "timestamp",
  "action": "purchase",
  "action_argument": "product_asin",
  }
  <|actionspace_end|>
  
  <|memory_start|>
  {"timestamp": "2025-04-10T21:34:38.098Z", "action": "input", "action_argument": "vita"}
  {"timestamp": "2025-04-10T21:34:38.228Z", "action": "click", "action_argument": "suggested_term"}
  {"timestamp": "2025-04-10T21:36:07.486Z", "action": "click_product", "action_argument": "B08FNG91XM"}
  {"timestamp": "2025-04-10T21:36:21.008Z", "action": "purchase", "action_argument": "B08FNG91XM"}
  <|memory_end|>
  
  <|action_start|>
  {"timestamp": "2025-04-10T21:36:25.628Z", "action": "click", "action_argument": "review"}
  <|action_end|>
  
  <|observation_start|>
  Your context will be the JSON string containing page metadata of the Amazon page you are looking at. This Amazon page is the context you observed after performing your last action.
  "search_term": [{"term": "vitamin c"}],
  "cart_items": [{"title": "AI Engineering: Building Applications with Foundation Models", "asin": "1098166302", "price": "$57.74", "quantity": "1"},
  {"title": "Ranong Tea Matcha Green Tea Latte Instant Drink Mix 8 Sachets", "asin": "B07RWN8N9H", "price": "$7.45", "quantity": "1"},
  {"title": "LLM Engineer's Handbook: Master the art of engineering large language models from concept to production", "asin": "1836200072", "price": "$39.27", "quantity": "1"},
  {"title": "Build a Large Language Model (From Scratch)", "asin": "1633437167", "price": "$47.37", "quantity": "1"},
  {"title": "Nexus: A Brief History of Information Networks from the Stone Age to AI", "asin": "059373422X", "price": "$21.71", "quantity": "1"},
  {"title": "Butter: A Novel of Food and Murder", "asin": "0063236419", "price": "$15.99", "quantity": "1"},
  {"title": "Amazon Basics Rectangular Plastic Desk Organizer, Half Accessory Tray, 9.4\" x 3.3\" x 1\", Black", "asin": "B07S268HGD", "price": "$8.46", "quantity": "1"},
  {"title": "Nature's Bounty Magnesium, Bone and Muscle Health, Whole Body Support, Tablets, 500 Mg, 200 Ct", "asin": "B00H5PJ0HW", "price": "$9.50", "quantity": "1"},
  {"title": "The Global War on Tobacco: Mapping the World's First Public Health Treaty", "asin": "1421416832", "price": "$38.36", "quantity": "1"},
  {"title": "Allen Carr's Easy Way To Stop Smoking", "asin": "0615482155", "price": "$12.51", "quantity": "1"},
  {"title": "JARLINK Over The Door Organizer Storage, 5 Shelf Hanging Door Organizer with 5 Large Capacity Pockets, Anti Tilt 44 lb Load Behind Door Organizer for Bedroom, Bathroom, Pantry, Nursery, (Grey)", "asin": "B0C89STMFK", "price": "$24.99", "quantity": "1"},
  {"title": "Go! More Than a Game: Revised Edition", "asin": "080483475X", "price": "$10.69", "quantity": "1"},
  {"title": "Killers of the Flower Moon: Adapted for Young Readers: The Osage Murders and the Birth of the FBI", "asin": "0593377370", "price": "$9.89", "quantity": "1"},
  {"title": "For Profit: A History of Corporations", "asin": "1541601572", "price": "$13.58", "quantity": "1"}],
  "promotion_items": [{"title": "Nature's Bounty Vitamin C, Supports Immune and Antioxidant Health, Vitamin C Supplement, 1000mg, 300 Caplets\nVitamin C300 Count (Pack of 1)", "asin": "B08YS4ZRTL", "price": "$17.74", "quantity": ""},
  {"title": "Airborne 750mg Vitamin C Gummies For Adults, Immune Support Gummies With Powerful Antioxidants Vit C & E, Caffeine Free - 2x63ct Bottle (42 Servings), Assorted Fruit Flavor\nVitamin C63 Count (Pack of 2)", "asin": "B08G9JLJ1Y", "price": "$33.39", "quantity": ""},
  {"title": "Emergen-C 1000mg Vitamin C Powder, with Antioxidants, B Vitamins and Electrolytes, Vitamin C Supplements for Immune Support, Caffeine Free Drink Mix, Raspberry Flavor - 60 Count/2 Month Supply\nVitamin C0.32 Ounce (Pack of 60)", "asin": "B07CNQ6TTN", "price": "$30.86", "quantity": ""},
  {"title": "Nature's Bounty Vitamin C 700mg, High Potency Vitamin C Gummies for Adults, Immune Support Supplement, Dietary Supplement, Orange Flavor, 60 Chewable Gummy\nVitamin C60 Count (Pack of 1)", "asin": "B0CXZR884Z", "price": "$9.80", "quantity": ""},
  {"title": "Sports Research Vitamin C 1000mg - Non-GMO Project Verified Ascorbic Acid Vitamin C Supplement for Immune Support & Antioxidant Protection | Vegan Friendly, 8 Month Supply (240 Count)\n240 Count (Pack of 1)", "asin": "B086PL2D5R", "price": "$22.95", "quantity": ""},
  {"title": "", "asin": "B07JH4R881", "price": "", "quantity": ""},
  {"title": "Nature's Bounty Vitamin C, Supports Immune and Antioxidant Health, Vitamin C Supplement, 1000mg, 300 Caplets\nVitamin C300 Count (Pack of 1)", "asin": "B08YS4ZRTL", "price": "$17.74", "quantity": ""},
  {"title": "Airborne 750mg Vitamin C Gummies For Adults, Immune Support Gummies With Powerful Antioxidants Vit C & E, Caffeine Free - 2x63ct Bottle (42 Servings), Assorted Fruit Flavor\nVitamin C63 Count (Pack of 2)", "asin": "B08G9JLJ1Y", "price": "$33.39", "quantity": ""},
  {"title": "Emergen-C 1000mg Vitamin C Powder, with Antioxidants, B Vitamins and Electrolytes, Vitamin C Supplements for Immune Support, Caffeine Free Drink Mix, Raspberry Flavor - 60 Count/2 Month Supply\nVitamin C0.32 Ounce (Pack of 60)", "asin": "B07CNQ6TTN", "price": "$30.86", "quantity": ""},
  {"title": "Nature's Bounty Vitamin C 700mg, High Potency Vitamin C Gummies for Adults, Immune Support Supplement, Dietary Supplement, Orange Flavor, 60 Chewable Gummy\nVitamin C60 Count (Pack of 1)", "asin": "B0CXZR884Z", "price": "$9.80", "quantity": ""},
  {"title": "Sports Research Vitamin C 1000mg - Non-GMO Project Verified Ascorbic Acid Vitamin C Supplement for Immune Support & Antioxidant Protection | Vegan Friendly, 8 Month Supply (240 Count)\n240 Count (Pack of 1)", "asin": "B086PL2D5R", "price": "$22.95", "quantity": ""},
  {"title": "SOLARAY Vitamin C 1000mg Timed Release Capsules with Rose HIPS & Acerola Bioflavonoids, Two-Stage for High Absorption & All Day Immune Function Support, 60 Day Guarantee, 275 Servings, 275 VegCaps\nVitamin C275 Count (Pack of 1)", "asin": "B07JH4R881", "price": "$35.27", "quantity": ""}],
  "ads": [{"title": "Emergen-C 1000mg Vitamin C Powder for Daily Immune Support Caffeine Free Vitamin C Supplements with Zinc and Manganese, B Vitamins and Electrolytes, Super Orange Flavor - 90 Count/3 Month Supply", "asin": "B0CF5Z1G6J"},
  {"title": "Emergen-C Immune+ Triple Action Immune Support Powder, BetaVia (R), 1000mg Vitamin C, B Vitamins, Vitamin D and Antioxidants, Raspberry \u2013 30 Count", "asin": "B00ND99HY0"},
  {"title": "Emergen-C Kidz Crystals, On-the-Go Emergen-C Immune Support Supplement with Vitamin C, B Vitamins, Zinc and Manganese, Sparkly Strawberry - 56 Stick Packs", "asin": "B0BTMDYHJ3"}],
  "search_results": [{"title": "Nature's Bounty Vitamin C, Supports Immune and Antioxidant Health, Vitamin C Supplement, 1000mg, 300 Caplets", "asin": "B08YS4ZRTL", "price": "$17.74", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Airborne 750mg Vitamin C Gummies For Adults, Immune Support Gummies With Powerful Antioxidants Vit C & E, Caffeine Free - 2x63ct Bottle (42 Servings), Assorted Fruit Flavor", "asin": "B08G9JLJ1Y", "price": "$33.39", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM"},
  {"title": "Emergen-C 1000mg Vitamin C Powder, with Antioxidants, B Vitamins and Electrolytes, Vitamin C Supplements for Immune Support, Caffeine Free Drink Mix, Raspberry Flavor - 60 Count/2 Month Supply", "asin": "B07CNQ6TTN", "price": "$30.86", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM"},
  {"title": "TruSkin Vitamin C Serum For Face \u2013 Anti Aging Formula with Vitamin C, Hyaluronic Acid, Vitamin E \u2013 Brightening Serum \u2013 Improve Appearance of Dark Spots, Tone, Fine Lines & Wrinkles, 1 Fl Oz", "asin": "B01M4MCUAF", "price": "$21.97", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Sports Research Vitamin C 1000mg - Non-GMO Project Verified Ascorbic Acid Vitamin C Supplement for Immune Support & Antioxidant Protection | Vegan Friendly, 8 Month Supply (240 Count)", "asin": "B086PL2D5R", "price": "$22.95", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nature Made Extra Strength Vitamin C 1000 mg, Dietary Supplement for Immune Support, 100 Tablets, 100 Day Supply", "asin": "B0000DJASY", "price": "$9.49", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nature's Bounty Vitamin C + Rose Hips, Immune Support, 1000mg, Coated Caplets, 100 Ct", "asin": "B0019GE9HE", "price": "$7.99", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nature Made Extra Strength Dosage Chewable Vitamin C 1000 mg per serving, Dietary Supplement for Immune Support, 90 Tablets, 45 Day Supply", "asin": "B08FNG91XM", "price": "$7.49", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nature Made Maximum Strength Dosage Vitamin C 1000mg per Serving, Immune Support Vitamin C Gummies for Adults, 80 Vitamin C Gummies, 20 Day Supply", "asin": "B0CBVWPPR9", "price": "$14.99", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nature Made Vitamin C 250 mg per serving, Dietary Supplement for Immune Support, 150 Gummies, 75 Day Supply", "asin": "B00IOBAK02", "price": "$7.85", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nature Made Vitamin C 500 mg, Dietary Supplement for Immune Support, 100 Tablets, 100 Day Supply", "asin": "B018EAPQ38", "price": "$7.69", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nature's Bounty Vitamin C 700mg, High Potency Vitamin C Gummies for Adults, Immune Support Supplement, Dietary Supplement, Orange Flavor, 60 Chewable Gummy", "asin": "B0CXZR884Z", "price": "$9.80", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nature Made Wellblends ImmuneMAX Gummies, Vitamin C 1000mg + Zinc, Selenium, & Vitamin D3 5000 IU, Immune Support Supplement, 42 Gummies", "asin": "B09RQYP87P", "price": "$11.59", "delivery": " One-Day FREE delivery Tomorrow, Apr 11"},
  {"title": "Emergen-C 1000mg Vitamin C Powder for Daily Immune Support Caffeine Free Vitamin C Supplements with Zinc and Manganese, B Vitamins and Electrolytes, Super Orange Flavor - 90 Count/3 Month Supply", "asin": "B0CF5Z1G6J", "price": "$33.72", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM"},
  {"title": "SOLARAY Vitamin C 1000mg Timed Release Capsules with Rose HIPS & Acerola Bioflavonoids, Two-Stage for High Absorption & All Day Immune Function Support, 60 Day Guarantee, 275 Servings, 275 VegCaps", "asin": "B07JH4R881", "price": "$35.27", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM"},
  {"title": "Vitafusion Power C Vitamin C Gummies for Immune Support, Orange Flavored, 282 mg Vitamin C, America\u2019s Number 1 Gummy Vitamin Brand, 50 Day Supply, 150 Count", "asin": "B003FW4UME", "price": "$9.48", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "THORNE Vitamin C - Blend of Vitamin C and Citrus Bioflavonoids from Oranges - Support Immune System, Production of Cellular Energy, Collagen Production and Healthy Tissue* - Gluten-Free - 90 Capsules", "asin": "B09FYFM7N3", "price": "$21.00", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nature\u2019s Bounty Vitamin C, Supports a Healthy Immune System, Vitamin Supplement, 500mg, 250 Tablets", "asin": "B000GG87V2"},
  {"title": "NOW Foods Supplements, Vitamin C-1,000 with Rose Hips, Sustained Release, Antioxidant Protection*, 250 Tablets", "asin": "B0013P1GD6", "price": "$10.25", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Solgar Vitamin C 1000 mg, 90 Tablets - Antioxidant & Immune Support, Overall Health, Healthy Skin & Joints - Bioflavonoids Supplement - Non-GMO, Vegan, Gluten Free, Kosher - 90 Servings", "asin": "B000Z8WY3I", "price": "$11.02", "delivery": " One-Day FREE delivery Tomorrow, Apr 11 Or FREE delivery Overnight 7 AM - 11 AM on $25 of qualifying items"},
  {"title": "SIGNIFY NATURE Vitamin C 1000mg Effervescent Tablets - Potent Immune Support VIT C with Zinc Supplement - Sugar-Free & Vegan Formula | Dissolvable Vitamin C Tablets - Water Soluble Fizzy Elixir - 80CT", "asin": "B08KRKS47Y", "price": "$28.99", "delivery": " Overnight FREE delivery Overnight 7 AM - 11 AM"},
  {"title": "Nature Made Hair Growth Softgels with Lustriva, Biotin, Vitamin C & A, Support Healthy Hair as You Age, 30 Softgels, 30 Day Supply", "asin": "B0DVBKH321", "price": "$26.99", "delivery": " One-Day FREE delivery Tomorrow, Apr 11"},
  {"title": "Nature's Bounty Immune 24 Hour +, The only Vitamin C with 24 Hour Immune Support from Ester C, Rapid Release Softgels, 50 Count", "asin": "B08KHZQTML", "price": "$10.98", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "NutriFlair Liposomal Vitamin C, 180 Capsules - High Absorption, Fat Soluble VIT C, Antioxidant Supplement, Higher Bioavailability Immune System Support & Collagen Booster, Non-GMO, Vegan Pills", "asin": "B07DH1ZJZ9", "price": "$20.97", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nutricost Vitamin C with Rose HIPS 1025mg, 240 Capsules - Vitamin C 1,000mg, Rose HIPS 25mg, Premium, Non-GMO, Gluten Free Supplement", "asin": "B074GCB1ND", "price": "$17.95", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Vitamin C", "asin": "B086Z3CDWF", "price": "$7.00", "delivery": " FREE delivery"},
  {"title": "Amazon Basics Vitamin C 250 mg Gummies, Orange, 150 Count (2 per Serving), Immune Health (Previously Solimo)", "asin": "B07BBMND7W", "price": "$9.81", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "NatureWise Vitamin C 1000mg Capsules - Extra Strength Dietary Supplement for Daily Immune Support & Collagen Synthesis - Vegan, Non-GMO, Gluten Free - 120 Count[4-Month Supply]", "asin": "B0DB3MDK8B", "price": "$10.99", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nature Made Chewable Vitamin C 500 mg, Dietary Supplement for Immune Support, 150 Tablets, 150 Day Supply", "asin": "B018EAP21O", "price": "$14.49", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nature Made Extra Strength Dosage Vitamin C 500 mg per serving, Dietary Supplement for Immune Support, 60 Gummies, 30 Day Supply", "asin": "B08FNSB7YN", "price": "$11.49", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Sports Research Vitamin C 1000mg - Non-GMO Project Verified Ascorbic Acid Vitamin C Supplement for Immune Support & Antioxidant Protection | Vegan Friendly, 8 Month Supply (240 Count)", "asin": "B086PL2D5R", "price": "$22.95", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Amazon Elements Vitamin C 1000mg, Supports Healthy Immune System, Vegan, 300 Tablets, 10 month supply", "asin": "B07122C9VC", "price": "$15.97", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nature Made Vitamin C 500 mg with Rose Hips, Dietary Supplement for Immune Support, 130 Caplets, 130 Day Supply", "asin": "B0000DJAVX", "price": "$9.79", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nutrivein Premium Liposomal Vitamin C Supplement 1650mg - 180 Caps: High-Absorption Vitamin C Capsules for Whole-Body Defenses & Overall Well-Being", "asin": "B07K8QLGHN", "price": "$20.99", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "365 Everyday Value, Vitamin C 1000mg, 250 ct", "asin": "B074MFYHTF", "price": "$17.16", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "PURE SYNERGY Pure Radiance C | Organic Vitamin C Capsules | 100% Natural, Whole Food, Non-GMO Supplement with Camu Camu Extract | for Immune and Collagen Support (90 Capsules)", "asin": "B008HFOLXW", "price": "$32.00", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM"},
  {"title": "Immune Support Vitamin C 2000 mg - 200 Tablets - with Zinc, Elderberry, Rose Hip, Echinacea - Boosts Immune System- Made in USA", "asin": "B087JYZWFK", "price": "$28.95", "delivery": " Overnight FREE delivery Overnight 7 AM - 11 AM"},
  {"title": "Ester-C American Health with Citrus Bioflavonoids Capsules (3 Pack) - 24-Hour Immune Support, Gentle On Stomach, Non-Acidic Vitamin C - Non-GMO, Gluten-Free - 1000 mg, 90 Count", "asin": "B072KCDJJP", "price": "$22.99", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Carlyle Vitamin C 1000mg | 300 Vegetarian Caplets | Ascorbic Acid with Wild Rose HIPS | High Strength Formula | Non-GMO and Gluten Free Supplement", "asin": "B08BJ84WHK", "price": "$14.49", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Carlyle Vitamin C 2000mg | with Rose HIPS | 150 Caplets | Vegetarian, Non-GMO, Gluten Free Supplement", "asin": "B09MSQ97SB", "price": "$14.23", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nature Made Super C with Vitamin D3 and Zinc, Dietary Supplement for Immune Support, 60 Tablets, 60 Day Supply", "asin": "B07Q3SWL3X", "price": "$8.55", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nature Made Zero Sugar Vitamin C Gummies 250 mg per Serving, Immune & Antioxidant Support, Aspartame Free, 100 Sugar Free Gummies, 50 Day Supply", "asin": "B0CTNXHXM4", "price": "$14.99", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "NOW Foods Supplements, Vitamin C-1,000 with 100 mg of Bioflavonoids, Antioxidant Protection*, 250 Veg Capsules", "asin": "B0013OUNK4", "price": "$18.25", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nature Made Vitamin C 500 mg, Dietary Supplement for Immune Support, 60 Softgels, 60 Day Supply", "asin": "B00I689DHY", "price": "$11.49", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Wholesome Wellness Liposomal Vitamin C Capsules (200 Pills 1500mg Buffered) High Absorption, Immune System & Collagen Booster, High Dose Fat Soluble Immunity Support Ascorbic Acid, Natural Vegan", "asin": "B086GK9SWD", "price": "$22.99", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Solgar Vitamin C 500 mg, 250 Vegetable Capsules - Antioxidant & Immune Support - Overall Health - Supports Healthy Skin & Joints - Non-GMO, Vegan, Gluten Free, Kosher - 250 Servings", "asin": "B0011FUSGY", "price": "$21.47", "delivery": " One-Day FREE delivery Tomorrow, Apr 11 Or FREE delivery Overnight 7 AM - 11 AM on $25 of qualifying items"},
  {"title": "Pure Encapsulations Ascorbic Acid Capsules - 1,000 mg Vitamin C - Antioxidant & Immune Support* - High-Potency Vitamin C - Vegan & Non-GMO - 90 Capsules", "asin": "B000GX7E8W", "price": "$21.40", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "LivOn Laboratories Lypo\u2013Spheric Vitamin C \u2013 1,000 mg Vitamin C & 1,000 mg Essential Phospholipids Per Packet \u2013 Liposome Encapsulated for Improved Absorption \u2013 Non\u2013GMO(2 Cartons,60 Packets)", "asin": "B0089EYWEE", "price": "$85.90", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM"},
  {"title": "LivOn Laboratories Lypo\u2013Spheric Vitamin C, 1000 mg Vitamin C & 1000 mg Essential Phospholipids Per Packet, Liposome Encapsulated for Improved Absorption, 100% Non\u2013GMO, 1 Carton, 0.2 Fl Oz (Pack of 30)", "asin": "B01AE60A3G", "price": "$42.95", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM"},
  {"title": "Liposomal Vitamin C Capsules - 1500mg - Made with Organic Acerola Cherries & Camu Camu, High Potency Vitamin C Liposomal - Immune Support Supplement, Enhanced Absorption & Bioavailability - 180 count", "asin": "B086D3TN83", "price": "$23.97", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Vitafusion Extra Strength Power C Gummy Vitamins, Tropical Citrus Flavored Immune Support (1) Vitamins, 92 Count", "asin": "B08WBN1THJ", "price": "$10.98", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Horb\u00e4ach Vitamin C 1000mg | 250 Capsules | with Bioflavonoids and Rose HIPS | Non-GMO, Gluten Free Supplement | High Strength Formula", "asin": "B08BJ83XPQ", "price": "$16.22", "delivery": " One-Day FREE delivery Tomorrow, Apr 11 Or FREE delivery Overnight 7 AM - 11 AM on $25 of qualifying items"},
  {"title": "Nature Made Vitamin C 1000 mg Time Release Tablets with Rose Hips, 60 Count to Help Support the Immune System", "asin": "B000YN3LMC", "price": "$12.99", "delivery": "FREE delivery Apr 23 - 29 for Prime members"},
  {"title": "Bronson Vitamin C 500 MG Supports a Healthy Immune System & Antioxidant Protection, Non-GMO, 250 Vegetarian Tablets", "asin": "B0CJ1294X7", "price": "$9.99", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Doctor's Best Vitamin C with Q-C - Vitamin C 1000mg Non-GMO, Vegan, Gluten Free, Soy Free, Sourced from Scotland Veggie Caps, 120 Count", "asin": "B005CD3J4O", "price": "$17.89", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Emergen-C 750mg Vitamin C Gummies for Adults, Immune Support Gummies, Gluten Free, Strawberry, Lemon and Blueberry Flavors - 45 Count", "asin": "B07NWD6S3F", "price": "$13.79", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Amazon Basics Vitamin C 1000 mg with Rose Hips 5mg, 90 tablets (1 per serving), Gluten Free", "asin": "B09T5QT7TG", "price": "$6.69", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Airborne 1000mg Vitamin C with Vitamin D & Zinc, Multivitamin Immune Support Supplement, Antioxidants Vitamins A C & Vitamin E, 116 Chewable Tablets, Citrus Flavor", "asin": "B0096YTCFK", "price": "$20.38", "delivery": " One-Day FREE delivery Tomorrow, Apr 11 Or FREE delivery Overnight 7 AM - 11 AM on $25 of qualifying items"},
  {"title": "NOW Supplements, Liposomal Vitamin C, Immune & Collagen Support, 120 Veg Capsules", "asin": "B0BV8BM7LX", "price": "$17.23", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Life Extension Vitamin C & Bio-Quercetin Phytosome \u2013 Vitamin C Plus Ultra-Absorbable Quercetin for Immune Support \u2013 Gluten-Free, Non-GMO, Vegetarian \u2013 250 Vegetarian Tablets", "asin": "B07KVX6B5N", "price": "$21.68", "delivery": " One-Day FREE delivery Tomorrow, Apr 11 Or FREE delivery Overnight 7 AM - 11 AM on $25 of qualifying items"},
  {"title": "Carlyle Vitamin C Chewables | 1000mg | 180 Tablets | Vegetarian, Non-GMO, Gluten Free Supplement", "asin": "B094K2XS45", "price": "$15.29", "delivery": " One-Day FREE delivery Tomorrow, Apr 11 Or FREE delivery Overnight 7 AM - 11 AM on $25 of qualifying items"},
  {"title": "Emergen-C 1000mg Vitamin C Powder, with Antioxidants, B Vitamins and Electrolytes, Supplements for Immune Support, Caffeine Free Fizzy Drink Mix, Raspberry Flavor - 30 Count/1 Month Supply", "asin": "B0009RF8KG", "price": "$12.98", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"}]
  <|observation_end|>
  
  # Output Format
  Please provide your final answer in JSON format within <answer></answer> tags using the following schema (Note that the thinking process should be within 250 words and give enough output space for final answer):
  "<answer>
  {
  "timestamp": "2025-04-10T21:36:41.227Z", // the timestamp when this action occurs.
  "action": "string", // select one plausible action from: input, click_product, purchase, or click.
  "acion_argument": "string", // select appropriate value based on action type: input_text, product_asin, clickable_name.
  }
  </answer>"
  
  <|im_end|>
  <|im_start|>assistant
  <think>
  
prompt.role: user
question: <|im_start|>system
  You are a helpful assistant that is capable of understanding and predicting customer shopping behaviors on Amazon. You first think about the reasoning process in the mind and then predict the customer actions and action argument. The reasoning process and the predicted action and action argument are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think>reasoning process here</think><answer>predicted action and action argument here</answer>.
  <|im_end|>
  <|im_start|>user
  You are given a customer behavior trajectory on Amazon. This trajectory include the customer long-term information (enclosed between <|memory_start|> and <|memory_end|>), previous actions the customer has taken with timestamps (enclosed between <|action_start|> and <|action_end|>), and current observations describing what the customer sees on Amazon (e.g., a search results page, a product detail page) (enclosed between <|observation_start|> and <|observation_end|>). 
  Now your task is to predict the immediate next action and action argument (i.e., input_text, product_asin, or click_type) of this shopper by analyzing shopper shopping behaviors. The available action space and action argument space are provided between <|actionspace_start|> and <|actionspace_end|> to help guide your prediction. Please first analyze the customer's behavior patterns within the  <think> </think> section, then provide your prediction within the <answer> </answer> section, ensuring your prediction falls within the specified action and argument spaces. 
  
  <|actionspace_start|>
  Available actions are represented in JSON format. There are four primary action types with their corresponding action arguments:
  1. input:
  Action: Type text into an input field to search for a specific product. 
  Action Argument: the input_text is the specific text entered by the customer.
  {
  "timestamp": "timestamp",
  "action": "input",
  "action_argument": "input_text",
  }
  
  2. click:
  Action: Click on a UI interface button or clickable element on the Amazon website.
  Action Argument: The clickable_name is one of the UI interface buttons or clickable elements including "review", "search", "product_option", "other", "nav_bar", "quantity", "page_related", "suggested_term", "cart_side_bar", "cart_page_select", and "filter". Select one of these buttons or clickable elements as action argument.
  {
  "timestamp": "timestamp",
  "action": "click",
  "action_argument": "clickable_name",
  }
  
  3. click_product:
  Action: Click on product links or product images.
  Action Argument: the Amazon Standard Identification Number (i.e., product_asin) of the clicked product.
  {
  "timestamp": "timestamp",
  "action": "click_product",
  "action_argument": "product_asin",
  }
  
  4. purchase:
  Action: indicate intent to purchase by clicking on any purchase-related button. This includes clicking "Add to Cart", "Buy Now", "Set Subscription", or "Checkout" buttons for specific products. 
  Action Argument: the Amazon Standard Identification Number (i.e., product_asin) of the product being purchased.
  {
  "timestamp": "timestamp",
  "action": "purchase",
  "action_argument": "product_asin",
  }
  <|actionspace_end|>
  
  <|memory_start|>
  {"timestamp": "2025-04-10T21:34:38.098Z", "action": "input", "action_argument": "vita"}
  {"timestamp": "2025-04-10T21:34:38.228Z", "action": "click", "action_argument": "suggested_term"}
  {"timestamp": "2025-04-10T21:36:07.486Z", "action": "click_product", "action_argument": "B08FNG91XM"}
  {"timestamp": "2025-04-10T21:36:21.008Z", "action": "purchase", "action_argument": "B08FNG91XM"}
  <|memory_end|>
  
  <|action_start|>
  {"timestamp": "2025-04-10T21:36:25.628Z", "action": "click", "action_argument": "review"}
  <|action_end|>
  
  <|observation_start|>
  Your context will be the JSON string containing page metadata of the Amazon page you are looking at. This Amazon page is the context you observed after performing your last action.
  "search_term": [{"term": "vitamin c"}],
  "cart_items": [{"title": "AI Engineering: Building Applications with Foundation Models", "asin": "1098166302", "price": "$57.74", "quantity": "1"},
  {"title": "Ranong Tea Matcha Green Tea Latte Instant Drink Mix 8 Sachets", "asin": "B07RWN8N9H", "price": "$7.45", "quantity": "1"},
  {"title": "LLM Engineer's Handbook: Master the art of engineering large language models from concept to production", "asin": "1836200072", "price": "$39.27", "quantity": "1"},
  {"title": "Build a Large Language Model (From Scratch)", "asin": "1633437167", "price": "$47.37", "quantity": "1"},
  {"title": "Nexus: A Brief History of Information Networks from the Stone Age to AI", "asin": "059373422X", "price": "$21.71", "quantity": "1"},
  {"title": "Butter: A Novel of Food and Murder", "asin": "0063236419", "price": "$15.99", "quantity": "1"},
  {"title": "Amazon Basics Rectangular Plastic Desk Organizer, Half Accessory Tray, 9.4\" x 3.3\" x 1\", Black", "asin": "B07S268HGD", "price": "$8.46", "quantity": "1"},
  {"title": "Nature's Bounty Magnesium, Bone and Muscle Health, Whole Body Support, Tablets, 500 Mg, 200 Ct", "asin": "B00H5PJ0HW", "price": "$9.50", "quantity": "1"},
  {"title": "The Global War on Tobacco: Mapping the World's First Public Health Treaty", "asin": "1421416832", "price": "$38.36", "quantity": "1"},
  {"title": "Allen Carr's Easy Way To Stop Smoking", "asin": "0615482155", "price": "$12.51", "quantity": "1"},
  {"title": "JARLINK Over The Door Organizer Storage, 5 Shelf Hanging Door Organizer with 5 Large Capacity Pockets, Anti Tilt 44 lb Load Behind Door Organizer for Bedroom, Bathroom, Pantry, Nursery, (Grey)", "asin": "B0C89STMFK", "price": "$24.99", "quantity": "1"},
  {"title": "Go! More Than a Game: Revised Edition", "asin": "080483475X", "price": "$10.69", "quantity": "1"},
  {"title": "Killers of the Flower Moon: Adapted for Young Readers: The Osage Murders and the Birth of the FBI", "asin": "0593377370", "price": "$9.89", "quantity": "1"},
  {"title": "For Profit: A History of Corporations", "asin": "1541601572", "price": "$13.58", "quantity": "1"}],
  "promotion_items": [{"title": "Nature's Bounty Vitamin C, Supports Immune and Antioxidant Health, Vitamin C Supplement, 1000mg, 300 Caplets\nVitamin C300 Count (Pack of 1)", "asin": "B08YS4ZRTL", "price": "$17.74", "quantity": ""},
  {"title": "Airborne 750mg Vitamin C Gummies For Adults, Immune Support Gummies With Powerful Antioxidants Vit C & E, Caffeine Free - 2x63ct Bottle (42 Servings), Assorted Fruit Flavor\nVitamin C63 Count (Pack of 2)", "asin": "B08G9JLJ1Y", "price": "$33.39", "quantity": ""},
  {"title": "Emergen-C 1000mg Vitamin C Powder, with Antioxidants, B Vitamins and Electrolytes, Vitamin C Supplements for Immune Support, Caffeine Free Drink Mix, Raspberry Flavor - 60 Count/2 Month Supply\nVitamin C0.32 Ounce (Pack of 60)", "asin": "B07CNQ6TTN", "price": "$30.86", "quantity": ""},
  {"title": "Nature's Bounty Vitamin C 700mg, High Potency Vitamin C Gummies for Adults, Immune Support Supplement, Dietary Supplement, Orange Flavor, 60 Chewable Gummy\nVitamin C60 Count (Pack of 1)", "asin": "B0CXZR884Z", "price": "$9.80", "quantity": ""},
  {"title": "Sports Research Vitamin C 1000mg - Non-GMO Project Verified Ascorbic Acid Vitamin C Supplement for Immune Support & Antioxidant Protection | Vegan Friendly, 8 Month Supply (240 Count)\n240 Count (Pack of 1)", "asin": "B086PL2D5R", "price": "$22.95", "quantity": ""},
  {"title": "", "asin": "B07JH4R881", "price": "", "quantity": ""},
  {"title": "Nature's Bounty Vitamin C, Supports Immune and Antioxidant Health, Vitamin C Supplement, 1000mg, 300 Caplets\nVitamin C300 Count (Pack of 1)", "asin": "B08YS4ZRTL", "price": "$17.74", "quantity": ""},
  {"title": "Airborne 750mg Vitamin C Gummies For Adults, Immune Support Gummies With Powerful Antioxidants Vit C & E, Caffeine Free - 2x63ct Bottle (42 Servings), Assorted Fruit Flavor\nVitamin C63 Count (Pack of 2)", "asin": "B08G9JLJ1Y", "price": "$33.39", "quantity": ""},
  {"title": "Emergen-C 1000mg Vitamin C Powder, with Antioxidants, B Vitamins and Electrolytes, Vitamin C Supplements for Immune Support, Caffeine Free Drink Mix, Raspberry Flavor - 60 Count/2 Month Supply\nVitamin C0.32 Ounce (Pack of 60)", "asin": "B07CNQ6TTN", "price": "$30.86", "quantity": ""},
  {"title": "Nature's Bounty Vitamin C 700mg, High Potency Vitamin C Gummies for Adults, Immune Support Supplement, Dietary Supplement, Orange Flavor, 60 Chewable Gummy\nVitamin C60 Count (Pack of 1)", "asin": "B0CXZR884Z", "price": "$9.80", "quantity": ""},
  {"title": "Sports Research Vitamin C 1000mg - Non-GMO Project Verified Ascorbic Acid Vitamin C Supplement for Immune Support & Antioxidant Protection | Vegan Friendly, 8 Month Supply (240 Count)\n240 Count (Pack of 1)", "asin": "B086PL2D5R", "price": "$22.95", "quantity": ""},
  {"title": "SOLARAY Vitamin C 1000mg Timed Release Capsules with Rose HIPS & Acerola Bioflavonoids, Two-Stage for High Absorption & All Day Immune Function Support, 60 Day Guarantee, 275 Servings, 275 VegCaps\nVitamin C275 Count (Pack of 1)", "asin": "B07JH4R881", "price": "$35.27", "quantity": ""}],
  "ads": [{"title": "Emergen-C 1000mg Vitamin C Powder for Daily Immune Support Caffeine Free Vitamin C Supplements with Zinc and Manganese, B Vitamins and Electrolytes, Super Orange Flavor - 90 Count/3 Month Supply", "asin": "B0CF5Z1G6J"},
  {"title": "Emergen-C Immune+ Triple Action Immune Support Powder, BetaVia (R), 1000mg Vitamin C, B Vitamins, Vitamin D and Antioxidants, Raspberry \u2013 30 Count", "asin": "B00ND99HY0"},
  {"title": "Emergen-C Kidz Crystals, On-the-Go Emergen-C Immune Support Supplement with Vitamin C, B Vitamins, Zinc and Manganese, Sparkly Strawberry - 56 Stick Packs", "asin": "B0BTMDYHJ3"}],
  "search_results": [{"title": "Nature's Bounty Vitamin C, Supports Immune and Antioxidant Health, Vitamin C Supplement, 1000mg, 300 Caplets", "asin": "B08YS4ZRTL", "price": "$17.74", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Airborne 750mg Vitamin C Gummies For Adults, Immune Support Gummies With Powerful Antioxidants Vit C & E, Caffeine Free - 2x63ct Bottle (42 Servings), Assorted Fruit Flavor", "asin": "B08G9JLJ1Y", "price": "$33.39", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM"},
  {"title": "Emergen-C 1000mg Vitamin C Powder, with Antioxidants, B Vitamins and Electrolytes, Vitamin C Supplements for Immune Support, Caffeine Free Drink Mix, Raspberry Flavor - 60 Count/2 Month Supply", "asin": "B07CNQ6TTN", "price": "$30.86", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM"},
  {"title": "TruSkin Vitamin C Serum For Face \u2013 Anti Aging Formula with Vitamin C, Hyaluronic Acid, Vitamin E \u2013 Brightening Serum \u2013 Improve Appearance of Dark Spots, Tone, Fine Lines & Wrinkles, 1 Fl Oz", "asin": "B01M4MCUAF", "price": "$21.97", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Sports Research Vitamin C 1000mg - Non-GMO Project Verified Ascorbic Acid Vitamin C Supplement for Immune Support & Antioxidant Protection | Vegan Friendly, 8 Month Supply (240 Count)", "asin": "B086PL2D5R", "price": "$22.95", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nature Made Extra Strength Vitamin C 1000 mg, Dietary Supplement for Immune Support, 100 Tablets, 100 Day Supply", "asin": "B0000DJASY", "price": "$9.49", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nature's Bounty Vitamin C + Rose Hips, Immune Support, 1000mg, Coated Caplets, 100 Ct", "asin": "B0019GE9HE", "price": "$7.99", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nature Made Extra Strength Dosage Chewable Vitamin C 1000 mg per serving, Dietary Supplement for Immune Support, 90 Tablets, 45 Day Supply", "asin": "B08FNG91XM", "price": "$7.49", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nature Made Maximum Strength Dosage Vitamin C 1000mg per Serving, Immune Support Vitamin C Gummies for Adults, 80 Vitamin C Gummies, 20 Day Supply", "asin": "B0CBVWPPR9", "price": "$14.99", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nature Made Vitamin C 250 mg per serving, Dietary Supplement for Immune Support, 150 Gummies, 75 Day Supply", "asin": "B00IOBAK02", "price": "$7.85", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nature Made Vitamin C 500 mg, Dietary Supplement for Immune Support, 100 Tablets, 100 Day Supply", "asin": "B018EAPQ38", "price": "$7.69", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nature's Bounty Vitamin C 700mg, High Potency Vitamin C Gummies for Adults, Immune Support Supplement, Dietary Supplement, Orange Flavor, 60 Chewable Gummy", "asin": "B0CXZR884Z", "price": "$9.80", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nature Made Wellblends ImmuneMAX Gummies, Vitamin C 1000mg + Zinc, Selenium, & Vitamin D3 5000 IU, Immune Support Supplement, 42 Gummies", "asin": "B09RQYP87P", "price": "$11.59", "delivery": " One-Day FREE delivery Tomorrow, Apr 11"},
  {"title": "Emergen-C 1000mg Vitamin C Powder for Daily Immune Support Caffeine Free Vitamin C Supplements with Zinc and Manganese, B Vitamins and Electrolytes, Super Orange Flavor - 90 Count/3 Month Supply", "asin": "B0CF5Z1G6J", "price": "$33.72", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM"},
  {"title": "SOLARAY Vitamin C 1000mg Timed Release Capsules with Rose HIPS & Acerola Bioflavonoids, Two-Stage for High Absorption & All Day Immune Function Support, 60 Day Guarantee, 275 Servings, 275 VegCaps", "asin": "B07JH4R881", "price": "$35.27", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM"},
  {"title": "Vitafusion Power C Vitamin C Gummies for Immune Support, Orange Flavored, 282 mg Vitamin C, America\u2019s Number 1 Gummy Vitamin Brand, 50 Day Supply, 150 Count", "asin": "B003FW4UME", "price": "$9.48", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "THORNE Vitamin C - Blend of Vitamin C and Citrus Bioflavonoids from Oranges - Support Immune System, Production of Cellular Energy, Collagen Production and Healthy Tissue* - Gluten-Free - 90 Capsules", "asin": "B09FYFM7N3", "price": "$21.00", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nature\u2019s Bounty Vitamin C, Supports a Healthy Immune System, Vitamin Supplement, 500mg, 250 Tablets", "asin": "B000GG87V2"},
  {"title": "NOW Foods Supplements, Vitamin C-1,000 with Rose Hips, Sustained Release, Antioxidant Protection*, 250 Tablets", "asin": "B0013P1GD6", "price": "$10.25", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Solgar Vitamin C 1000 mg, 90 Tablets - Antioxidant & Immune Support, Overall Health, Healthy Skin & Joints - Bioflavonoids Supplement - Non-GMO, Vegan, Gluten Free, Kosher - 90 Servings", "asin": "B000Z8WY3I", "price": "$11.02", "delivery": " One-Day FREE delivery Tomorrow, Apr 11 Or FREE delivery Overnight 7 AM - 11 AM on $25 of qualifying items"},
  {"title": "SIGNIFY NATURE Vitamin C 1000mg Effervescent Tablets - Potent Immune Support VIT C with Zinc Supplement - Sugar-Free & Vegan Formula | Dissolvable Vitamin C Tablets - Water Soluble Fizzy Elixir - 80CT", "asin": "B08KRKS47Y", "price": "$28.99", "delivery": " Overnight FREE delivery Overnight 7 AM - 11 AM"},
  {"title": "Nature Made Hair Growth Softgels with Lustriva, Biotin, Vitamin C & A, Support Healthy Hair as You Age, 30 Softgels, 30 Day Supply", "asin": "B0DVBKH321", "price": "$26.99", "delivery": " One-Day FREE delivery Tomorrow, Apr 11"},
  {"title": "Nature's Bounty Immune 24 Hour +, The only Vitamin C with 24 Hour Immune Support from Ester C, Rapid Release Softgels, 50 Count", "asin": "B08KHZQTML", "price": "$10.98", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "NutriFlair Liposomal Vitamin C, 180 Capsules - High Absorption, Fat Soluble VIT C, Antioxidant Supplement, Higher Bioavailability Immune System Support & Collagen Booster, Non-GMO, Vegan Pills", "asin": "B07DH1ZJZ9", "price": "$20.97", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nutricost Vitamin C with Rose HIPS 1025mg, 240 Capsules - Vitamin C 1,000mg, Rose HIPS 25mg, Premium, Non-GMO, Gluten Free Supplement", "asin": "B074GCB1ND", "price": "$17.95", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Vitamin C", "asin": "B086Z3CDWF", "price": "$7.00", "delivery": " FREE delivery"},
  {"title": "Amazon Basics Vitamin C 250 mg Gummies, Orange, 150 Count (2 per Serving), Immune Health (Previously Solimo)", "asin": "B07BBMND7W", "price": "$9.81", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "NatureWise Vitamin C 1000mg Capsules - Extra Strength Dietary Supplement for Daily Immune Support & Collagen Synthesis - Vegan, Non-GMO, Gluten Free - 120 Count[4-Month Supply]", "asin": "B0DB3MDK8B", "price": "$10.99", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nature Made Chewable Vitamin C 500 mg, Dietary Supplement for Immune Support, 150 Tablets, 150 Day Supply", "asin": "B018EAP21O", "price": "$14.49", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nature Made Extra Strength Dosage Vitamin C 500 mg per serving, Dietary Supplement for Immune Support, 60 Gummies, 30 Day Supply", "asin": "B08FNSB7YN", "price": "$11.49", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Sports Research Vitamin C 1000mg - Non-GMO Project Verified Ascorbic Acid Vitamin C Supplement for Immune Support & Antioxidant Protection | Vegan Friendly, 8 Month Supply (240 Count)", "asin": "B086PL2D5R", "price": "$22.95", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Amazon Elements Vitamin C 1000mg, Supports Healthy Immune System, Vegan, 300 Tablets, 10 month supply", "asin": "B07122C9VC", "price": "$15.97", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nature Made Vitamin C 500 mg with Rose Hips, Dietary Supplement for Immune Support, 130 Caplets, 130 Day Supply", "asin": "B0000DJAVX", "price": "$9.79", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nutrivein Premium Liposomal Vitamin C Supplement 1650mg - 180 Caps: High-Absorption Vitamin C Capsules for Whole-Body Defenses & Overall Well-Being", "asin": "B07K8QLGHN", "price": "$20.99", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "365 Everyday Value, Vitamin C 1000mg, 250 ct", "asin": "B074MFYHTF", "price": "$17.16", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "PURE SYNERGY Pure Radiance C | Organic Vitamin C Capsules | 100% Natural, Whole Food, Non-GMO Supplement with Camu Camu Extract | for Immune and Collagen Support (90 Capsules)", "asin": "B008HFOLXW", "price": "$32.00", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM"},
  {"title": "Immune Support Vitamin C 2000 mg - 200 Tablets - with Zinc, Elderberry, Rose Hip, Echinacea - Boosts Immune System- Made in USA", "asin": "B087JYZWFK", "price": "$28.95", "delivery": " Overnight FREE delivery Overnight 7 AM - 11 AM"},
  {"title": "Ester-C American Health with Citrus Bioflavonoids Capsules (3 Pack) - 24-Hour Immune Support, Gentle On Stomach, Non-Acidic Vitamin C - Non-GMO, Gluten-Free - 1000 mg, 90 Count", "asin": "B072KCDJJP", "price": "$22.99", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Carlyle Vitamin C 1000mg | 300 Vegetarian Caplets | Ascorbic Acid with Wild Rose HIPS | High Strength Formula | Non-GMO and Gluten Free Supplement", "asin": "B08BJ84WHK", "price": "$14.49", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Carlyle Vitamin C 2000mg | with Rose HIPS | 150 Caplets | Vegetarian, Non-GMO, Gluten Free Supplement", "asin": "B09MSQ97SB", "price": "$14.23", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nature Made Super C with Vitamin D3 and Zinc, Dietary Supplement for Immune Support, 60 Tablets, 60 Day Supply", "asin": "B07Q3SWL3X", "price": "$8.55", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nature Made Zero Sugar Vitamin C Gummies 250 mg per Serving, Immune & Antioxidant Support, Aspartame Free, 100 Sugar Free Gummies, 50 Day Supply", "asin": "B0CTNXHXM4", "price": "$14.99", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "NOW Foods Supplements, Vitamin C-1,000 with 100 mg of Bioflavonoids, Antioxidant Protection*, 250 Veg Capsules", "asin": "B0013OUNK4", "price": "$18.25", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nature Made Vitamin C 500 mg, Dietary Supplement for Immune Support, 60 Softgels, 60 Day Supply", "asin": "B00I689DHY", "price": "$11.49", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Wholesome Wellness Liposomal Vitamin C Capsules (200 Pills 1500mg Buffered) High Absorption, Immune System & Collagen Booster, High Dose Fat Soluble Immunity Support Ascorbic Acid, Natural Vegan", "asin": "B086GK9SWD", "price": "$22.99", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Solgar Vitamin C 500 mg, 250 Vegetable Capsules - Antioxidant & Immune Support - Overall Health - Supports Healthy Skin & Joints - Non-GMO, Vegan, Gluten Free, Kosher - 250 Servings", "asin": "B0011FUSGY", "price": "$21.47", "delivery": " One-Day FREE delivery Tomorrow, Apr 11 Or FREE delivery Overnight 7 AM - 11 AM on $25 of qualifying items"},
  {"title": "Pure Encapsulations Ascorbic Acid Capsules - 1,000 mg Vitamin C - Antioxidant & Immune Support* - High-Potency Vitamin C - Vegan & Non-GMO - 90 Capsules", "asin": "B000GX7E8W", "price": "$21.40", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "LivOn Laboratories Lypo\u2013Spheric Vitamin C \u2013 1,000 mg Vitamin C & 1,000 mg Essential Phospholipids Per Packet \u2013 Liposome Encapsulated for Improved Absorption \u2013 Non\u2013GMO(2 Cartons,60 Packets)", "asin": "B0089EYWEE", "price": "$85.90", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM"},
  {"title": "LivOn Laboratories Lypo\u2013Spheric Vitamin C, 1000 mg Vitamin C & 1000 mg Essential Phospholipids Per Packet, Liposome Encapsulated for Improved Absorption, 100% Non\u2013GMO, 1 Carton, 0.2 Fl Oz (Pack of 30)", "asin": "B01AE60A3G", "price": "$42.95", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM"},
  {"title": "Liposomal Vitamin C Capsules - 1500mg - Made with Organic Acerola Cherries & Camu Camu, High Potency Vitamin C Liposomal - Immune Support Supplement, Enhanced Absorption & Bioavailability - 180 count", "asin": "B086D3TN83", "price": "$23.97", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Vitafusion Extra Strength Power C Gummy Vitamins, Tropical Citrus Flavored Immune Support (1) Vitamins, 92 Count", "asin": "B08WBN1THJ", "price": "$10.98", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Horb\u00e4ach Vitamin C 1000mg | 250 Capsules | with Bioflavonoids and Rose HIPS | Non-GMO, Gluten Free Supplement | High Strength Formula", "asin": "B08BJ83XPQ", "price": "$16.22", "delivery": " One-Day FREE delivery Tomorrow, Apr 11 Or FREE delivery Overnight 7 AM - 11 AM on $25 of qualifying items"},
  {"title": "Nature Made Vitamin C 1000 mg Time Release Tablets with Rose Hips, 60 Count to Help Support the Immune System", "asin": "B000YN3LMC", "price": "$12.99", "delivery": "FREE delivery Apr 23 - 29 for Prime members"},
  {"title": "Bronson Vitamin C 500 MG Supports a Healthy Immune System & Antioxidant Protection, Non-GMO, 250 Vegetarian Tablets", "asin": "B0CJ1294X7", "price": "$9.99", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Doctor's Best Vitamin C with Q-C - Vitamin C 1000mg Non-GMO, Vegan, Gluten Free, Soy Free, Sourced from Scotland Veggie Caps, 120 Count", "asin": "B005CD3J4O", "price": "$17.89", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Emergen-C 750mg Vitamin C Gummies for Adults, Immune Support Gummies, Gluten Free, Strawberry, Lemon and Blueberry Flavors - 45 Count", "asin": "B07NWD6S3F", "price": "$13.79", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Amazon Basics Vitamin C 1000 mg with Rose Hips 5mg, 90 tablets (1 per serving), Gluten Free", "asin": "B09T5QT7TG", "price": "$6.69", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Airborne 1000mg Vitamin C with Vitamin D & Zinc, Multivitamin Immune Support Supplement, Antioxidants Vitamins A C & Vitamin E, 116 Chewable Tablets, Citrus Flavor", "asin": "B0096YTCFK", "price": "$20.38", "delivery": " One-Day FREE delivery Tomorrow, Apr 11 Or FREE delivery Overnight 7 AM - 11 AM on $25 of qualifying items"},
  {"title": "NOW Supplements, Liposomal Vitamin C, Immune & Collagen Support, 120 Veg Capsules", "asin": "B0BV8BM7LX", "price": "$17.23", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Life Extension Vitamin C & Bio-Quercetin Phytosome \u2013 Vitamin C Plus Ultra-Absorbable Quercetin for Immune Support \u2013 Gluten-Free, Non-GMO, Vegetarian \u2013 250 Vegetarian Tablets", "asin": "B07KVX6B5N", "price": "$21.68", "delivery": " One-Day FREE delivery Tomorrow, Apr 11 Or FREE delivery Overnight 7 AM - 11 AM on $25 of qualifying items"},
  {"title": "Carlyle Vitamin C Chewables | 1000mg | 180 Tablets | Vegetarian, Non-GMO, Gluten Free Supplement", "asin": "B094K2XS45", "price": "$15.29", "delivery": " One-Day FREE delivery Tomorrow, Apr 11 Or FREE delivery Overnight 7 AM - 11 AM on $25 of qualifying items"},
  {"title": "Emergen-C 1000mg Vitamin C Powder, with Antioxidants, B Vitamins and Electrolytes, Supplements for Immune Support, Caffeine Free Fizzy Drink Mix, Raspberry Flavor - 30 Count/1 Month Supply", "asin": "B0009RF8KG", "price": "$12.98", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"}]
  <|observation_end|>
  
  # Output Format
  Please provide your final answer in JSON format within <answer></answer> tags using the following schema (Note that the thinking process should be within 250 words and give enough output space for final answer):
  "<answer>
  {
  "timestamp": "2025-04-10T21:36:41.227Z", // the timestamp when this action occurs.
  "action": "string", // select one plausible action from: input, click_product, purchase, or click.
  "acion_argument": "string", // select appropriate value based on action type: input_text, product_asin, clickable_name.
  }
  </answer>"
  
  <|im_end|>
  <|im_start|>assistant
  <think>
  
extra_info.question: <|im_start|>system
  You are a helpful assistant that is capable of understanding and predicting customer shopping behaviors on Amazon. You first think about the reasoning process in the mind and then predict the customer actions and action argument. The reasoning process and the predicted action and action argument are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think>reasoning process here</think><answer>predicted action and action argument here</answer>.
  <|im_end|>
  <|im_start|>user
  You are given a customer behavior trajectory on Amazon. This trajectory include the customer long-term information (enclosed between <|memory_start|> and <|memory_end|>), previous actions the customer has taken with timestamps (enclosed between <|action_start|> and <|action_end|>), and current observations describing what the customer sees on Amazon (e.g., a search results page, a product detail page) (enclosed between <|observation_start|> and <|observation_end|>). 
  Now your task is to predict the immediate next action and action argument (i.e., input_text, product_asin, or click_type) of this shopper by analyzing shopper shopping behaviors. The available action space and action argument space are provided between <|actionspace_start|> and <|actionspace_end|> to help guide your prediction. Please first analyze the customer's behavior patterns within the  <think> </think> section, then provide your prediction within the <answer> </answer> section, ensuring your prediction falls within the specified action and argument spaces. 
  
  <|actionspace_start|>
  Available actions are represented in JSON format. There are four primary action types with their corresponding action arguments:
  1. input:
  Action: Type text into an input field to search for a specific product. 
  Action Argument: the input_text is the specific text entered by the customer.
  {
  "timestamp": "timestamp",
  "action": "input",
  "action_argument": "input_text",
  }
  
  2. click:
  Action: Click on a UI interface button or clickable element on the Amazon website.
  Action Argument: The clickable_name is one of the UI interface buttons or clickable elements including "review", "search", "product_option", "other", "nav_bar", "quantity", "page_related", "suggested_term", "cart_side_bar", "cart_page_select", and "filter". Select one of these buttons or clickable elements as action argument.
  {
  "timestamp": "timestamp",
  "action": "click",
  "action_argument": "clickable_name",
  }
  
  3. click_product:
  Action: Click on product links or product images.
  Action Argument: the Amazon Standard Identification Number (i.e., product_asin) of the clicked product.
  {
  "timestamp": "timestamp",
  "action": "click_product",
  "action_argument": "product_asin",
  }
  
  4. purchase:
  Action: indicate intent to purchase by clicking on any purchase-related button. This includes clicking "Add to Cart", "Buy Now", "Set Subscription", or "Checkout" buttons for specific products. 
  Action Argument: the Amazon Standard Identification Number (i.e., product_asin) of the product being purchased.
  {
  "timestamp": "timestamp",
  "action": "purchase",
  "action_argument": "product_asin",
  }
  <|actionspace_end|>
  
  <|memory_start|>
  {"timestamp": "2025-04-10T21:34:38.098Z", "action": "input", "action_argument": "vita"}
  {"timestamp": "2025-04-10T21:34:38.228Z", "action": "click", "action_argument": "suggested_term"}
  {"timestamp": "2025-04-10T21:36:07.486Z", "action": "click_product", "action_argument": "B08FNG91XM"}
  {"timestamp": "2025-04-10T21:36:21.008Z", "action": "purchase", "action_argument": "B08FNG91XM"}
  <|memory_end|>
  
  <|action_start|>
  {"timestamp": "2025-04-10T21:36:25.628Z", "action": "click", "action_argument": "review"}
  <|action_end|>
  
  <|observation_start|>
  Your context will be the JSON string containing page metadata of the Amazon page you are looking at. This Amazon page is the context you observed after performing your last action.
  "search_term": [{"term": "vitamin c"}],
  "cart_items": [{"title": "AI Engineering: Building Applications with Foundation Models", "asin": "1098166302", "price": "$57.74", "quantity": "1"},
  {"title": "Ranong Tea Matcha Green Tea Latte Instant Drink Mix 8 Sachets", "asin": "B07RWN8N9H", "price": "$7.45", "quantity": "1"},
  {"title": "LLM Engineer's Handbook: Master the art of engineering large language models from concept to production", "asin": "1836200072", "price": "$39.27", "quantity": "1"},
  {"title": "Build a Large Language Model (From Scratch)", "asin": "1633437167", "price": "$47.37", "quantity": "1"},
  {"title": "Nexus: A Brief History of Information Networks from the Stone Age to AI", "asin": "059373422X", "price": "$21.71", "quantity": "1"},
  {"title": "Butter: A Novel of Food and Murder", "asin": "0063236419", "price": "$15.99", "quantity": "1"},
  {"title": "Amazon Basics Rectangular Plastic Desk Organizer, Half Accessory Tray, 9.4\" x 3.3\" x 1\", Black", "asin": "B07S268HGD", "price": "$8.46", "quantity": "1"},
  {"title": "Nature's Bounty Magnesium, Bone and Muscle Health, Whole Body Support, Tablets, 500 Mg, 200 Ct", "asin": "B00H5PJ0HW", "price": "$9.50", "quantity": "1"},
  {"title": "The Global War on Tobacco: Mapping the World's First Public Health Treaty", "asin": "1421416832", "price": "$38.36", "quantity": "1"},
  {"title": "Allen Carr's Easy Way To Stop Smoking", "asin": "0615482155", "price": "$12.51", "quantity": "1"},
  {"title": "JARLINK Over The Door Organizer Storage, 5 Shelf Hanging Door Organizer with 5 Large Capacity Pockets, Anti Tilt 44 lb Load Behind Door Organizer for Bedroom, Bathroom, Pantry, Nursery, (Grey)", "asin": "B0C89STMFK", "price": "$24.99", "quantity": "1"},
  {"title": "Go! More Than a Game: Revised Edition", "asin": "080483475X", "price": "$10.69", "quantity": "1"},
  {"title": "Killers of the Flower Moon: Adapted for Young Readers: The Osage Murders and the Birth of the FBI", "asin": "0593377370", "price": "$9.89", "quantity": "1"},
  {"title": "For Profit: A History of Corporations", "asin": "1541601572", "price": "$13.58", "quantity": "1"}],
  "promotion_items": [{"title": "Nature's Bounty Vitamin C, Supports Immune and Antioxidant Health, Vitamin C Supplement, 1000mg, 300 Caplets\nVitamin C300 Count (Pack of 1)", "asin": "B08YS4ZRTL", "price": "$17.74", "quantity": ""},
  {"title": "Airborne 750mg Vitamin C Gummies For Adults, Immune Support Gummies With Powerful Antioxidants Vit C & E, Caffeine Free - 2x63ct Bottle (42 Servings), Assorted Fruit Flavor\nVitamin C63 Count (Pack of 2)", "asin": "B08G9JLJ1Y", "price": "$33.39", "quantity": ""},
  {"title": "Emergen-C 1000mg Vitamin C Powder, with Antioxidants, B Vitamins and Electrolytes, Vitamin C Supplements for Immune Support, Caffeine Free Drink Mix, Raspberry Flavor - 60 Count/2 Month Supply\nVitamin C0.32 Ounce (Pack of 60)", "asin": "B07CNQ6TTN", "price": "$30.86", "quantity": ""},
  {"title": "Nature's Bounty Vitamin C 700mg, High Potency Vitamin C Gummies for Adults, Immune Support Supplement, Dietary Supplement, Orange Flavor, 60 Chewable Gummy\nVitamin C60 Count (Pack of 1)", "asin": "B0CXZR884Z", "price": "$9.80", "quantity": ""},
  {"title": "Sports Research Vitamin C 1000mg - Non-GMO Project Verified Ascorbic Acid Vitamin C Supplement for Immune Support & Antioxidant Protection | Vegan Friendly, 8 Month Supply (240 Count)\n240 Count (Pack of 1)", "asin": "B086PL2D5R", "price": "$22.95", "quantity": ""},
  {"title": "", "asin": "B07JH4R881", "price": "", "quantity": ""},
  {"title": "Nature's Bounty Vitamin C, Supports Immune and Antioxidant Health, Vitamin C Supplement, 1000mg, 300 Caplets\nVitamin C300 Count (Pack of 1)", "asin": "B08YS4ZRTL", "price": "$17.74", "quantity": ""},
  {"title": "Airborne 750mg Vitamin C Gummies For Adults, Immune Support Gummies With Powerful Antioxidants Vit C & E, Caffeine Free - 2x63ct Bottle (42 Servings), Assorted Fruit Flavor\nVitamin C63 Count (Pack of 2)", "asin": "B08G9JLJ1Y", "price": "$33.39", "quantity": ""},
  {"title": "Emergen-C 1000mg Vitamin C Powder, with Antioxidants, B Vitamins and Electrolytes, Vitamin C Supplements for Immune Support, Caffeine Free Drink Mix, Raspberry Flavor - 60 Count/2 Month Supply\nVitamin C0.32 Ounce (Pack of 60)", "asin": "B07CNQ6TTN", "price": "$30.86", "quantity": ""},
  {"title": "Nature's Bounty Vitamin C 700mg, High Potency Vitamin C Gummies for Adults, Immune Support Supplement, Dietary Supplement, Orange Flavor, 60 Chewable Gummy\nVitamin C60 Count (Pack of 1)", "asin": "B0CXZR884Z", "price": "$9.80", "quantity": ""},
  {"title": "Sports Research Vitamin C 1000mg - Non-GMO Project Verified Ascorbic Acid Vitamin C Supplement for Immune Support & Antioxidant Protection | Vegan Friendly, 8 Month Supply (240 Count)\n240 Count (Pack of 1)", "asin": "B086PL2D5R", "price": "$22.95", "quantity": ""},
  {"title": "SOLARAY Vitamin C 1000mg Timed Release Capsules with Rose HIPS & Acerola Bioflavonoids, Two-Stage for High Absorption & All Day Immune Function Support, 60 Day Guarantee, 275 Servings, 275 VegCaps\nVitamin C275 Count (Pack of 1)", "asin": "B07JH4R881", "price": "$35.27", "quantity": ""}],
  "ads": [{"title": "Emergen-C 1000mg Vitamin C Powder for Daily Immune Support Caffeine Free Vitamin C Supplements with Zinc and Manganese, B Vitamins and Electrolytes, Super Orange Flavor - 90 Count/3 Month Supply", "asin": "B0CF5Z1G6J"},
  {"title": "Emergen-C Immune+ Triple Action Immune Support Powder, BetaVia (R), 1000mg Vitamin C, B Vitamins, Vitamin D and Antioxidants, Raspberry \u2013 30 Count", "asin": "B00ND99HY0"},
  {"title": "Emergen-C Kidz Crystals, On-the-Go Emergen-C Immune Support Supplement with Vitamin C, B Vitamins, Zinc and Manganese, Sparkly Strawberry - 56 Stick Packs", "asin": "B0BTMDYHJ3"}],
  "search_results": [{"title": "Nature's Bounty Vitamin C, Supports Immune and Antioxidant Health, Vitamin C Supplement, 1000mg, 300 Caplets", "asin": "B08YS4ZRTL", "price": "$17.74", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Airborne 750mg Vitamin C Gummies For Adults, Immune Support Gummies With Powerful Antioxidants Vit C & E, Caffeine Free - 2x63ct Bottle (42 Servings), Assorted Fruit Flavor", "asin": "B08G9JLJ1Y", "price": "$33.39", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM"},
  {"title": "Emergen-C 1000mg Vitamin C Powder, with Antioxidants, B Vitamins and Electrolytes, Vitamin C Supplements for Immune Support, Caffeine Free Drink Mix, Raspberry Flavor - 60 Count/2 Month Supply", "asin": "B07CNQ6TTN", "price": "$30.86", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM"},
  {"title": "TruSkin Vitamin C Serum For Face \u2013 Anti Aging Formula with Vitamin C, Hyaluronic Acid, Vitamin E \u2013 Brightening Serum \u2013 Improve Appearance of Dark Spots, Tone, Fine Lines & Wrinkles, 1 Fl Oz", "asin": "B01M4MCUAF", "price": "$21.97", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Sports Research Vitamin C 1000mg - Non-GMO Project Verified Ascorbic Acid Vitamin C Supplement for Immune Support & Antioxidant Protection | Vegan Friendly, 8 Month Supply (240 Count)", "asin": "B086PL2D5R", "price": "$22.95", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nature Made Extra Strength Vitamin C 1000 mg, Dietary Supplement for Immune Support, 100 Tablets, 100 Day Supply", "asin": "B0000DJASY", "price": "$9.49", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nature's Bounty Vitamin C + Rose Hips, Immune Support, 1000mg, Coated Caplets, 100 Ct", "asin": "B0019GE9HE", "price": "$7.99", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nature Made Extra Strength Dosage Chewable Vitamin C 1000 mg per serving, Dietary Supplement for Immune Support, 90 Tablets, 45 Day Supply", "asin": "B08FNG91XM", "price": "$7.49", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nature Made Maximum Strength Dosage Vitamin C 1000mg per Serving, Immune Support Vitamin C Gummies for Adults, 80 Vitamin C Gummies, 20 Day Supply", "asin": "B0CBVWPPR9", "price": "$14.99", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nature Made Vitamin C 250 mg per serving, Dietary Supplement for Immune Support, 150 Gummies, 75 Day Supply", "asin": "B00IOBAK02", "price": "$7.85", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nature Made Vitamin C 500 mg, Dietary Supplement for Immune Support, 100 Tablets, 100 Day Supply", "asin": "B018EAPQ38", "price": "$7.69", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nature's Bounty Vitamin C 700mg, High Potency Vitamin C Gummies for Adults, Immune Support Supplement, Dietary Supplement, Orange Flavor, 60 Chewable Gummy", "asin": "B0CXZR884Z", "price": "$9.80", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nature Made Wellblends ImmuneMAX Gummies, Vitamin C 1000mg + Zinc, Selenium, & Vitamin D3 5000 IU, Immune Support Supplement, 42 Gummies", "asin": "B09RQYP87P", "price": "$11.59", "delivery": " One-Day FREE delivery Tomorrow, Apr 11"},
  {"title": "Emergen-C 1000mg Vitamin C Powder for Daily Immune Support Caffeine Free Vitamin C Supplements with Zinc and Manganese, B Vitamins and Electrolytes, Super Orange Flavor - 90 Count/3 Month Supply", "asin": "B0CF5Z1G6J", "price": "$33.72", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM"},
  {"title": "SOLARAY Vitamin C 1000mg Timed Release Capsules with Rose HIPS & Acerola Bioflavonoids, Two-Stage for High Absorption & All Day Immune Function Support, 60 Day Guarantee, 275 Servings, 275 VegCaps", "asin": "B07JH4R881", "price": "$35.27", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM"},
  {"title": "Vitafusion Power C Vitamin C Gummies for Immune Support, Orange Flavored, 282 mg Vitamin C, America\u2019s Number 1 Gummy Vitamin Brand, 50 Day Supply, 150 Count", "asin": "B003FW4UME", "price": "$9.48", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "THORNE Vitamin C - Blend of Vitamin C and Citrus Bioflavonoids from Oranges - Support Immune System, Production of Cellular Energy, Collagen Production and Healthy Tissue* - Gluten-Free - 90 Capsules", "asin": "B09FYFM7N3", "price": "$21.00", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nature\u2019s Bounty Vitamin C, Supports a Healthy Immune System, Vitamin Supplement, 500mg, 250 Tablets", "asin": "B000GG87V2"},
  {"title": "NOW Foods Supplements, Vitamin C-1,000 with Rose Hips, Sustained Release, Antioxidant Protection*, 250 Tablets", "asin": "B0013P1GD6", "price": "$10.25", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Solgar Vitamin C 1000 mg, 90 Tablets - Antioxidant & Immune Support, Overall Health, Healthy Skin & Joints - Bioflavonoids Supplement - Non-GMO, Vegan, Gluten Free, Kosher - 90 Servings", "asin": "B000Z8WY3I", "price": "$11.02", "delivery": " One-Day FREE delivery Tomorrow, Apr 11 Or FREE delivery Overnight 7 AM - 11 AM on $25 of qualifying items"},
  {"title": "SIGNIFY NATURE Vitamin C 1000mg Effervescent Tablets - Potent Immune Support VIT C with Zinc Supplement - Sugar-Free & Vegan Formula | Dissolvable Vitamin C Tablets - Water Soluble Fizzy Elixir - 80CT", "asin": "B08KRKS47Y", "price": "$28.99", "delivery": " Overnight FREE delivery Overnight 7 AM - 11 AM"},
  {"title": "Nature Made Hair Growth Softgels with Lustriva, Biotin, Vitamin C & A, Support Healthy Hair as You Age, 30 Softgels, 30 Day Supply", "asin": "B0DVBKH321", "price": "$26.99", "delivery": " One-Day FREE delivery Tomorrow, Apr 11"},
  {"title": "Nature's Bounty Immune 24 Hour +, The only Vitamin C with 24 Hour Immune Support from Ester C, Rapid Release Softgels, 50 Count", "asin": "B08KHZQTML", "price": "$10.98", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "NutriFlair Liposomal Vitamin C, 180 Capsules - High Absorption, Fat Soluble VIT C, Antioxidant Supplement, Higher Bioavailability Immune System Support & Collagen Booster, Non-GMO, Vegan Pills", "asin": "B07DH1ZJZ9", "price": "$20.97", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nutricost Vitamin C with Rose HIPS 1025mg, 240 Capsules - Vitamin C 1,000mg, Rose HIPS 25mg, Premium, Non-GMO, Gluten Free Supplement", "asin": "B074GCB1ND", "price": "$17.95", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Vitamin C", "asin": "B086Z3CDWF", "price": "$7.00", "delivery": " FREE delivery"},
  {"title": "Amazon Basics Vitamin C 250 mg Gummies, Orange, 150 Count (2 per Serving), Immune Health (Previously Solimo)", "asin": "B07BBMND7W", "price": "$9.81", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "NatureWise Vitamin C 1000mg Capsules - Extra Strength Dietary Supplement for Daily Immune Support & Collagen Synthesis - Vegan, Non-GMO, Gluten Free - 120 Count[4-Month Supply]", "asin": "B0DB3MDK8B", "price": "$10.99", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nature Made Chewable Vitamin C 500 mg, Dietary Supplement for Immune Support, 150 Tablets, 150 Day Supply", "asin": "B018EAP21O", "price": "$14.49", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nature Made Extra Strength Dosage Vitamin C 500 mg per serving, Dietary Supplement for Immune Support, 60 Gummies, 30 Day Supply", "asin": "B08FNSB7YN", "price": "$11.49", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Sports Research Vitamin C 1000mg - Non-GMO Project Verified Ascorbic Acid Vitamin C Supplement for Immune Support & Antioxidant Protection | Vegan Friendly, 8 Month Supply (240 Count)", "asin": "B086PL2D5R", "price": "$22.95", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Amazon Elements Vitamin C 1000mg, Supports Healthy Immune System, Vegan, 300 Tablets, 10 month supply", "asin": "B07122C9VC", "price": "$15.97", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nature Made Vitamin C 500 mg with Rose Hips, Dietary Supplement for Immune Support, 130 Caplets, 130 Day Supply", "asin": "B0000DJAVX", "price": "$9.79", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nutrivein Premium Liposomal Vitamin C Supplement 1650mg - 180 Caps: High-Absorption Vitamin C Capsules for Whole-Body Defenses & Overall Well-Being", "asin": "B07K8QLGHN", "price": "$20.99", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "365 Everyday Value, Vitamin C 1000mg, 250 ct", "asin": "B074MFYHTF", "price": "$17.16", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "PURE SYNERGY Pure Radiance C | Organic Vitamin C Capsules | 100% Natural, Whole Food, Non-GMO Supplement with Camu Camu Extract | for Immune and Collagen Support (90 Capsules)", "asin": "B008HFOLXW", "price": "$32.00", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM"},
  {"title": "Immune Support Vitamin C 2000 mg - 200 Tablets - with Zinc, Elderberry, Rose Hip, Echinacea - Boosts Immune System- Made in USA", "asin": "B087JYZWFK", "price": "$28.95", "delivery": " Overnight FREE delivery Overnight 7 AM - 11 AM"},
  {"title": "Ester-C American Health with Citrus Bioflavonoids Capsules (3 Pack) - 24-Hour Immune Support, Gentle On Stomach, Non-Acidic Vitamin C - Non-GMO, Gluten-Free - 1000 mg, 90 Count", "asin": "B072KCDJJP", "price": "$22.99", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Carlyle Vitamin C 1000mg | 300 Vegetarian Caplets | Ascorbic Acid with Wild Rose HIPS | High Strength Formula | Non-GMO and Gluten Free Supplement", "asin": "B08BJ84WHK", "price": "$14.49", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Carlyle Vitamin C 2000mg | with Rose HIPS | 150 Caplets | Vegetarian, Non-GMO, Gluten Free Supplement", "asin": "B09MSQ97SB", "price": "$14.23", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nature Made Super C with Vitamin D3 and Zinc, Dietary Supplement for Immune Support, 60 Tablets, 60 Day Supply", "asin": "B07Q3SWL3X", "price": "$8.55", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nature Made Zero Sugar Vitamin C Gummies 250 mg per Serving, Immune & Antioxidant Support, Aspartame Free, 100 Sugar Free Gummies, 50 Day Supply", "asin": "B0CTNXHXM4", "price": "$14.99", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "NOW Foods Supplements, Vitamin C-1,000 with 100 mg of Bioflavonoids, Antioxidant Protection*, 250 Veg Capsules", "asin": "B0013OUNK4", "price": "$18.25", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Nature Made Vitamin C 500 mg, Dietary Supplement for Immune Support, 60 Softgels, 60 Day Supply", "asin": "B00I689DHY", "price": "$11.49", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Wholesome Wellness Liposomal Vitamin C Capsules (200 Pills 1500mg Buffered) High Absorption, Immune System & Collagen Booster, High Dose Fat Soluble Immunity Support Ascorbic Acid, Natural Vegan", "asin": "B086GK9SWD", "price": "$22.99", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Solgar Vitamin C 500 mg, 250 Vegetable Capsules - Antioxidant & Immune Support - Overall Health - Supports Healthy Skin & Joints - Non-GMO, Vegan, Gluten Free, Kosher - 250 Servings", "asin": "B0011FUSGY", "price": "$21.47", "delivery": " One-Day FREE delivery Tomorrow, Apr 11 Or FREE delivery Overnight 7 AM - 11 AM on $25 of qualifying items"},
  {"title": "Pure Encapsulations Ascorbic Acid Capsules - 1,000 mg Vitamin C - Antioxidant & Immune Support* - High-Potency Vitamin C - Vegan & Non-GMO - 90 Capsules", "asin": "B000GX7E8W", "price": "$21.40", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "LivOn Laboratories Lypo\u2013Spheric Vitamin C \u2013 1,000 mg Vitamin C & 1,000 mg Essential Phospholipids Per Packet \u2013 Liposome Encapsulated for Improved Absorption \u2013 Non\u2013GMO(2 Cartons,60 Packets)", "asin": "B0089EYWEE", "price": "$85.90", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM"},
  {"title": "LivOn Laboratories Lypo\u2013Spheric Vitamin C, 1000 mg Vitamin C & 1000 mg Essential Phospholipids Per Packet, Liposome Encapsulated for Improved Absorption, 100% Non\u2013GMO, 1 Carton, 0.2 Fl Oz (Pack of 30)", "asin": "B01AE60A3G", "price": "$42.95", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM"},
  {"title": "Liposomal Vitamin C Capsules - 1500mg - Made with Organic Acerola Cherries & Camu Camu, High Potency Vitamin C Liposomal - Immune Support Supplement, Enhanced Absorption & Bioavailability - 180 count", "asin": "B086D3TN83", "price": "$23.97", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Vitafusion Extra Strength Power C Gummy Vitamins, Tropical Citrus Flavored Immune Support (1) Vitamins, 92 Count", "asin": "B08WBN1THJ", "price": "$10.98", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Horb\u00e4ach Vitamin C 1000mg | 250 Capsules | with Bioflavonoids and Rose HIPS | Non-GMO, Gluten Free Supplement | High Strength Formula", "asin": "B08BJ83XPQ", "price": "$16.22", "delivery": " One-Day FREE delivery Tomorrow, Apr 11 Or FREE delivery Overnight 7 AM - 11 AM on $25 of qualifying items"},
  {"title": "Nature Made Vitamin C 1000 mg Time Release Tablets with Rose Hips, 60 Count to Help Support the Immune System", "asin": "B000YN3LMC", "price": "$12.99", "delivery": "FREE delivery Apr 23 - 29 for Prime members"},
  {"title": "Bronson Vitamin C 500 MG Supports a Healthy Immune System & Antioxidant Protection, Non-GMO, 250 Vegetarian Tablets", "asin": "B0CJ1294X7", "price": "$9.99", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Doctor's Best Vitamin C with Q-C - Vitamin C 1000mg Non-GMO, Vegan, Gluten Free, Soy Free, Sourced from Scotland Veggie Caps, 120 Count", "asin": "B005CD3J4O", "price": "$17.89", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Emergen-C 750mg Vitamin C Gummies for Adults, Immune Support Gummies, Gluten Free, Strawberry, Lemon and Blueberry Flavors - 45 Count", "asin": "B07NWD6S3F", "price": "$13.79", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Amazon Basics Vitamin C 1000 mg with Rose Hips 5mg, 90 tablets (1 per serving), Gluten Free", "asin": "B09T5QT7TG", "price": "$6.69", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Airborne 1000mg Vitamin C with Vitamin D & Zinc, Multivitamin Immune Support Supplement, Antioxidants Vitamins A C & Vitamin E, 116 Chewable Tablets, Citrus Flavor", "asin": "B0096YTCFK", "price": "$20.38", "delivery": " One-Day FREE delivery Tomorrow, Apr 11 Or FREE delivery Overnight 7 AM - 11 AM on $25 of qualifying items"},
  {"title": "NOW Supplements, Liposomal Vitamin C, Immune & Collagen Support, 120 Veg Capsules", "asin": "B0BV8BM7LX", "price": "$17.23", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"},
  {"title": "Life Extension Vitamin C & Bio-Quercetin Phytosome \u2013 Vitamin C Plus Ultra-Absorbable Quercetin for Immune Support \u2013 Gluten-Free, Non-GMO, Vegetarian \u2013 250 Vegetarian Tablets", "asin": "B07KVX6B5N", "price": "$21.68", "delivery": " One-Day FREE delivery Tomorrow, Apr 11 Or FREE delivery Overnight 7 AM - 11 AM on $25 of qualifying items"},
  {"title": "Carlyle Vitamin C Chewables | 1000mg | 180 Tablets | Vegetarian, Non-GMO, Gluten Free Supplement", "asin": "B094K2XS45", "price": "$15.29", "delivery": " One-Day FREE delivery Tomorrow, Apr 11 Or FREE delivery Overnight 7 AM - 11 AM on $25 of qualifying items"},
  {"title": "Emergen-C 1000mg Vitamin C Powder, with Antioxidants, B Vitamins and Electrolytes, Supplements for Immune Support, Caffeine Free Fizzy Drink Mix, Raspberry Flavor - 30 Count/1 Month Supply", "asin": "B0009RF8KG", "price": "$12.98", "delivery": " Same-Day FREE delivery Today 5 PM - 10 PM on $25 of qualifying items"}]
  <|observation_end|>
  
  # Output Format
  Please provide your final answer in JSON format within <answer></answer> tags using the following schema (Note that the thinking process should be within 250 words and give enough output space for final answer):
  "<answer>
  {
  "timestamp": "2025-04-10T21:36:41.227Z", // the timestamp when this action occurs.
  "action": "string", // select one plausible action from: input, click_product, purchase, or click.
  "acion_argument": "string", // select appropriate value based on action type: input_text, product_asin, clickable_name.
  }
  </answer>"
  
  <|im_end|>
  <|im_start|>assistant
  <think>
  