You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
12-[2-[4-(4-phenylcyclohexa-1,5-dien-1-yl)-6-(3-phenylphenyl)-1,3,5-triazin-2-yl]naphtho[2,1-b][1]benzofuran-8-yl]-12-azapentacyclo[11.8.0.02,11.03,8.015,20]henicosa-1(21),2(11),3,5,7,9,13,15,17,19-decaene is the IUPAC name of a molecule. Please give its molecular formula.
user
C63H40N4O
assistant