You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [1,1,2,2,3,3-hexafluoro-3-[4-(2,2,5,5-tetramethylhexan-3-yl)phenoxy]sulfonylpropyl]sulfonyl-oxo-(trifluoromethylsulfonyl)azanium by IUPAC nomenclature, provide its molecular formula.
user
C20H25F9NO8S3+
assistant