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 S-(4-hydroxy-7,7-diphenyl-3,3a,4,5,6,7a-hexahydro-1H-isoindol-2-yl) 4-pyrrolidin-1-ylbenzenecarbothioate ?
user
C31H34N2O2S
assistant