You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 3-[2-(3,6-dimethyl-3,4-dihydrocarbazol-9-yl)-4-(3-methylcarbazol-9-yl)-3-(trifluoromethyl)phenyl]benzonitrile into its molecular formula.
user
C41H30F3N3
assistant