Oh gee. You haven't even removed the noise!
Go back raw.
https://www.damiensymonds.net/2010/07/raw-noise-removal.html
What you need to understand is that Frequency Separation is a wildly over-rated, stupid, unnecessary technique. It's largely promoted and favoured by people who don't know how to edit. The latest "fad diet" of the editing world, as it were.
Once you've re-processed the raw file, show me the 100% crop again.