You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (4S,7S)-4-(4-chloro-2-methylphenyl)-1,3,7-trimethyl-4,6,7,8-tetrahydropyrazolo[3,4-e][1,4]thiazepine .
user
C16H20ClN3S
assistant