You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[[5-[4-(4-fluoroanilino)phthalazin-1-yl]-2-methylphenyl]methyl]isoindole-1,3-dione The above is the IUPAC name of a molecule. Write its molecular formula.
user
C30H21FN4O2
assistant