FW Power adapter is rated up to 100W, so any cable rated as such should be good, in theory.
Just a personal choice, but have had some good experience with an Anker cable such as this one: https://www.anker.com/products/a8758?variant=39431636975766&ref=collectionBuy , but USB-A to USB-C version. If push comes down to shove, I would likely go for that one.
An OG from Discord also mentioned getting an Anker cable:
Not an endorsment, but Anker seems to have a good reputation overall.