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 ethyl (1R,3'R,5'S)-6-bromo-1-(tert-butylsulfinylamino)-4'-methoxy-3',5'-dimethylspiro[3H-indene-2,1'-cyclohexane]-1-carboxylate .
user
C24H36BrNO4S
assistant