You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1,1,1-trifluoro-3-[3-sulfanyl-N-[[3-(1,1,2,2-tetrafluoroethoxy)phenyl]methyl]anilino]propan-2-ol is the IUPAC name of a molecule. Please give its molecular formula.
user
C18H16F7NO2S
assistant