What’s the best audio that preserves timecode and polywav for tentacle sync studio?

Hi! I’m currently trying to edit some audio fetched from 4 tentacles (one on a 633 master, 3 from gh5 audio timecodes) on my mac, for an FCPX project (basic stuff, like HPF and db attenuation).

I was recommended audacity but that thing cannot export to wav poly, and to add insult to injury, it also wipes out any metadata including timecode on export – tentacle studio cannot use this file!

What editor do you recommend? Price is not a concern as this is for a commercial production. Thank you!