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 (4S)-4-(3-chlorophenyl)-N-(3,5-dimethylphenyl)-4,6-dihydropyrrolo[1,2-a][1,4]benzodiazepine-5-carboxamide .
user
C27H24ClN3O
assistant