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 16-(3-fluorophenyl)-1,8,15-triazatetracyclo[8.6.1.02,7.014,17]heptadeca-2,4,6,10(17),11,13,15-heptaen-9-one .
user
C20H12FN3O
assistant