You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[(2R)-1-(cyclohexylamino)-1-oxopropan-2-yl]-N-[(2,4-dichlorophenyl)methyl]-3,3-diphenylpropanamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C31H34Cl2N2O2
assistant