US: The way to effectively do thos is to open a series of accounts, in a tree structure, in countries that aren’t CRS compliant. Disperse the money into the structure. This will buy time, mitigating losses in the event of an asset freeze, likely not being caught until FACTA reporting to the IRS. Get the money out ASAP. There’s better methods if laws don’t matter.
The category of chemicals you’re looking for are called de-greasers.