You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
8-carbazol-9-yl-5-[4-(4,6-diphenyl-1,5-diazabicyclo[3.1.0]hexan-2-yl)phenyl]-2-methyl-3,4,4a,9b-tetrahydro-1H-pyrido[4,3-b]indole The above is the IUPAC name of a molecule. Write its molecular formula.
user
C46H41N5
assistant