You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[3-fluoro-4-(6-methoxy-7-phenylmethoxyquinolin-4-yl)oxyphenyl]-2-(4-fluorophenyl)butanamide into its molecular formula.
user
C33H28F2N2O4
assistant