You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-(4-cyclopropylimidazol-1-yl)-9-(6-fluoropyridin-3-yl)-7,8-dihydro-4H-[1,4]diazepino[7,1-a][2,6]naphthyridin-5-one by IUPAC nomenclature, provide its molecular formula.
user
C23H19FN6O
assistant