You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
methyl 6,20-di(anthracen-9-yl)-13-phenyl-5,21-diazapentacyclo[12.8.0.03,12.04,9.017,22]docosa-1,3(12),4(9),5,7,13,17(22),18,20-nonaene-2-carboxylate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C56H38N2O2
assistant