You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 7-chloro-1-methyl-3-[[2-(3-methylphenyl)phenyl]methyl]-5-(2-oxo-1,3-dihydrobenzimidazol-5-yl)-3H-1,4-benzodiazepin-2-one ?
user
C31H25ClN4O2
assistant