You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2,4-bis(7,7-dimethylindeno[2,1-b]carbazol-5-yl)-5-isocyano-3,6-dimethylbenzonitrile;4-[3,6-bis(4-phenylphenyl)carbazol-9-yl]-5-methylbenzene-1,3-dicarbonitrile;3-isocyano-2-[3-(9-phenylcarbazol-3-yl)carbazol-9-yl]benzonitrile into its molecular formula.
user
C135H89N11
assistant