You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(4-carbazol-9-ylphenyl)-N-cyclohexa-1,5-dien-1-yl-4-[4-[2-methyl-10-(9-methyl-9-propylfluoren-2-yl)anthracen-9-yl]phenyl]aniline is the IUPAC name of a molecule. Please give its molecular formula.
user
C68H54N2
assistant