You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(S)-2-methyl-N-[(2S)-1,1,1-trifluoro-4-(4-fluorophenyl)-4-oxobutan-2-yl]propane-2-sulfinamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C14H17F4NO2S
assistant