convert/export H.265/BVR to H.264/MP4 best quality?

[crc2004]

I'm recording a H.265 stream direct-to-disk and I'd like to use the convert/export encoding options that will give me the best quality H.264/MP4 output. So far I'm using the following but have no expertise in this area so any advice is appreciated.

 

[crc2004]

Well.....It's been a year, think I'll ask again.