You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N,9-diphenyl-N-[4-[4-(N-(9-phenylcarbazol-3-yl)anilino)phenyl]phenyl]carbazol-3-amine;N-phenyl-N-[4-(5-phenylfuran-2-yl)phenyl]-4-[4-(N-[4-(5-phenylfuran-2-yl)phenyl]anilino)phenyl]aniline;9-phenyl-N-(4-phenylphenyl)-N-(9,9'-spirobi[fluorene]-2-yl)carbazol-2-amine by IUPAC nomenclature, provide its molecular formula.
user
C171H118N8O2
assistant