You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(9S)-10-(3H-benzimidazole-5-carbonyl)-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-triene-4-carbonitrile The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H22N4O
assistant