You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
trifluoromethyl 4-[8-[[3,5-diethoxy-4-(4-fluorophenyl)phenyl]methyl]-3-oxo-2,8-diazaspiro[4.5]decan-2-yl]benzoate is the IUPAC name of a molecule. Please give its molecular formula.
user
C33H34F4N2O5
assistant