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 9-phenyl-3-[3-[3-(9-phenylcarbazol-3-yl)phenyl]phenyl]-6-(4-phenylphenyl)carbazole is given. What is its corresponding molecular formula?
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C60H40N2
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