You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 4a,7,8,9a-tetramethyl-6-(6-naphthalen-1-yl-3,8-diphenylpyren-1-yl)-9-phenyl-1,2,3,4-tetrahydrocarbazole by IUPAC nomenclature, provide its molecular formula.
user
C60H49N
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