You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N-(4-dibenzofuran-4-ylphenyl)-N-[4-[2,3,3,9,9-pentamethyl-1-[(Z)-prop-1-enyl]cyclopenta[b]fluoren-5-yl]phenyl]-4-phenylaniline by IUPAC nomenclature, provide its molecular formula.
user
C60H49NO
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