You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[4-(2,10-diphenylanthracen-9-yl)cyclohexa-1,3-dien-1-yl]-2-phenylbenzimidazole The above is the IUPAC name of a molecule. Write its molecular formula.
user
C45H32N2
assistant