If you’re on linux, or can use WSL on windows, you can use this command to list all plot filenames of a specific NFT:

curl –insecure –cert ~/.chia/mainnet/config/ssl/harvester/private_harvester.crt –key ~/.chia/mainnet/config/ssl/harvester/private_harvester.key -d ‘{}’ -H “Content-Type: application/json” -X POST https://localhost:8560/get_plots | python3 -m json.tool | grep -B4 ‘”pool_contract_puzzle_hash”: <put your plotnft contract address here with 0x in front of it>’ | grep ‘filename”: “/mnt/directory’