You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule (3S,4S)-1-[1-(2-methylsulfanylanilino)-1-oxopropan-2-yl]-4-(trifluoromethyl)pyrrolidine-3-carboxylic acid;hydrochloride ?
user
C16H20ClF3N2O3S
assistant