You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
14-ethyl-19-fluoro-1,13,16-triazapentacyclo[13.8.0.02,11.04,9.017,22]tricosa-2,4,6,8,10,15,17(22),18,20-nonaene-12,23-dione The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H16FN3O2
assistant