system
You are an expert in CSV format. Think step-by-step, then generate syntactically perfect CSV.
user
Produce a CSV document for a transaction record.
assistant
Approach:
1. Task: Create transaction record in CSV
2. Complexity: complex - 8-10 fields, 3-4 levels
3. Format rules: header row, comma-separated, quoted fields with commas
4. Structure: Organize data logically with appropriate nesting
5. Populate fields with realistic example data based on the schema.

Output:
customer_id,items,payment_method,subtotal,tax,timestamp,total,txn_id
085a983e-24d3-487a-b81d-a2bface44673,"[{""sku"": ""SKU-33405"", ""qty"": 1, ""price"": 395.29}]",paypal,1516.47,40.93,2026-01-06T09:43:31.868124,1938.54,TXN-80266448
1663f92f-0ec6-4947-afad-b6dccc9b2424,"[{""sku"": ""SKU-36524"", ""qty"": 5, ""price"": 126.31}, {""sku"": ""SKU-42389"", ""qty"": 5, ""price"": 356.32}]",credit_card,1075.49,168.34,2026-01-06T09:43:31.869395,1874.28,TXN-22175049
cfab3daf-8499-491e-a1cb-b8dd5e5754fe,"[{""sku"": ""SKU-63654"", ""qty"": 3, ""price"": 375.47}]",paypal,1129.6,84.57,2026-01-06T09:43:31.869478,1970.79,TXN-27699446
3a9bc3a6-0cf0-4212-8de6-cea288519626,"[{""sku"": ""SKU-91759"", ""qty"": 2, ""price"": 449.53}, {""sku"": ""SKU-68344"", ""qty"": 3, ""price"": 267.49}]",credit_card,754.34,11.28,2026-01-06T09:43:31.869536,430.94,TXN-47494515
