You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-[4-[4-(11H-benzo[b]fluoren-2-yl)quinazolin-2-yl]phenyl]-4-phenyl-N-(4-phenylphenyl)aniline into molecular formula.
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C55H37N3
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