You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 11-[3-(4,6-diphenyl-1,3,5-triazin-2-yl)phenyl]-9-oxa-7-azahexacyclo[11.8.0.02,10.03,8.04,20.016,21]henicosa-1,3,5,7,10,12,14,16(21),17,19-decaene .
user
C40H22N4O
assistant