You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
9-(9-naphthalen-2-ylcarbazol-2-yl)-2-N,2-N,4-N,4-N-tetraphenylcarbazole-2,4-diamine;9-[4-(3-naphthalen-2-ylphenyl)phenyl]-2-N,2-N,4-N,4-N-tetraphenylcarbazole-2,4-diamine;7-N,7-N,9-N,9-N-tetraphenyl-11-(4-phenylphenyl)benzo[a]carbazole-7,9-diamine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C168H118N10
assistant