What is the molecular formula of the molecule N-[4-[4-[N-(9,9-dimethylfluoren-2-yl)-2,3,5,6-tetrafluoro-4-(trifluoromethyl)anilino]-2-methylphenyl]-3-methylcyclohexa-2,4-dien-1-yl]-9,9-dimethyl-N-[2,3,5,6-tetrafluoro-4-(trifluoromethyl)phenyl]fluoren-2-amine ?