You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2R)-2-[[2-[(4-bromophenyl)methylsulfanyl]acetyl]-[(3-chlorophenyl)methyl]amino]-N-cyclohexyl-3-phenylpropanamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C31H34BrClN2O2S
assistant