You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[3-[3-(3-fluorophenyl)-1,2,4-oxadiazol-5-yl]-1-methyl-6,7-dihydro-4H-pyrazolo[4,3-c]pyridin-5-yl]-pyridin-4-ylmethanone The above is the IUPAC name of a molecule. Write its molecular formula.
user
C21H17FN6O2
assistant