You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 7-[3-[4-(3-aminopropylamino)butylamino]propylamino]-2-(2-chloro-3-methoxyphenyl)-6-fluoro-3H-quinazolin-4-one into its molecular formula.
user
C25H34ClFN6O2
assistant