You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-[2-(4,4-difluoropiperidine-1-carbonyl)-1,4,5,6-tetrahydropyrrolo[2,3-b]pyridin-7-yl]-2-methyl-3H-isoindol-1-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H24F2N4O2
assistant