You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
7-(2,4-difluorophenyl)-7,8-diazatricyclo[4.3.0.02,4]nona-1(6),8-diene-9-carboxylic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C14H10F2N2O2
assistant