Extract discount codes from short strings of text and return them in the JSON format, like the following examples with the dates in the iso8601 format. Today is 2023-02-01:

input[0]:  "20%  OFF Mini Boden with code Z6W3 at checkout.  ."
output[0]: {'code': 'Z6W3', 'discount_value': '20%', 'discount_description': '20% off Mini Boden', 'start_date': 'N/A', 'expiry_date': 'N/A'}

input[1]: "SEAGATE SE IRONY SEAGATE TRONWOLF NAS Shopping Express 12TB Redeem up to $150 e-Gift Card* Buy 2 IronWolf drives T&C Ap VOLF' 22% OFF! with Ebay code"
output[1]: {code: 'N/A', 'discount_value: '22%', 'discount_description: 'N/A', 'start_date': 'N/A', 'expiry_date': 'N/A'}

input[2]: "5 NOV - 11 NOV SALE 11% OFF SITEWIDE & STOREWIDE (USE CODE: 110FF) 22% OFF WITH MIN."
output[2]: {code: '110FF', 'discount_value: '11%', 'discount_description: '11% off sitewide & storewide', 'start_date': '2023-11-05', 'expiry_date': '2023-11-11'}

input[3]: get 10% off with code test10 !
output[3]: 