You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-carbamoyl-7-[4-[[5-fluoro-2-(trifluoromethyl)phenyl]methoxy]phenyl]sulfonyl-9-hydroxy-7-azaspiro[4.5]decane-6-carboxylic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H26F4N2O7S
assistant