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 2,6-dimethyl-4-(3,5,6,18-tetrazatetracyclo[9.8.1.04,20.012,17]icosa-1,4(20),6,11,13,15,17-heptaen-19-yl)phenol .
user
C24H24N4O
assistant