You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named N-(9,9-dimethylfluoren-2-yl)-9,9-dimethyl-N-[4-(9-phenylcarbazol-3-yl)phenyl]fluoren-2-amine;9,9-dimethyl-N-[4-(9-phenylcarbazol-3-yl)naphthalen-1-yl]-N-(3-phenylphenyl)fluoren-2-amine;N-(9,9-diphenylfluoren-2-yl)-N-[4-(9-phenylcarbazol-3-yl)phenyl]dibenzofuran-3-amine;N-[4-(9-phenylcarbazol-3-yl)phenyl]-N-(4-phenylphenyl)-9,9'-spirobi[fluorene]-2-amine is given. What is its corresponding molecular formula?
user
C231H162N8O
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