You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 9,10-dibutyl-9,10-dimethyl-2,7-bis[(E)-2-(4-methylphenyl)ethenyl]phenanthrene;2',7',9',9'-tetramethyl-2,3,6,7-tetrakis(2-methylbutoxy)spiro[fluorene-9,10'-phenanthrene] by IUPAC nomenclature, provide its molecular formula.
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C92H114O4
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