You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 5-N-[3-(3-tert-butylcarbazol-9-yl)phenyl]-9-N-[3-(3,6-ditert-butylcarbazol-9-yl)phenyl]-5-N,9-N-bis[4-[7-(9,9-dioctylfluoren-2-yl)-9,9-dimethylfluoren-2-yl]phenyl]-7,7-dimethylbenzo[c]fluorene-5,9-diamine by IUPAC nomenclature, provide its molecular formula.
user
C167H176N4
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