You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 6-tert-butyl-8-fluoro-2-[[2-fluoro-5-methyl-4-(2-oxo-1H-pyridin-4-yl)phenyl]methyl]phthalazin-1-one ?
user
C25H23F2N3O2
assistant