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 2-carbazol-9-yl-9-methylcarbazole;3,6-di(carbazol-9-yl)-9-methylcarbazole;2-(3-methylcarbazol-9-yl)-9-phenylcarbazole;3-methyl-9-(9-phenylcarbazol-3-yl)carbazole is given. What is its corresponding molecular formula?
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C124H87N9
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