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system
Name the molecular formula for the molecule established as N-[3-methyl-4-(6-methylcyclohexa-1,5-dien-1-yl)phenyl]-N-spiro[cyclopentane-1,9'-fluorene]-2'-yl-9,9'-spirobi[fluorene]-2-amine using the IUPAC nomenclature.
user
C56H45N
assistant