You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 5-amino-1-(2,4-difluorophenyl)-3-pyridin-2-yl-6-pyridin-3-ylpyrazolo[4,3-g]isoquinoline-4,9-dione .
user
C26H14F2N6O2
assistant