You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
12-(4-fluorophenyl)-11-(1H-imidazol-2-yl)-2,3,10-triazatricyclo[7.3.1.05,13]trideca-1,5(13),6,8-tetraen-4-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H14FN5O
assistant