You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-bromo-5-fluoro-N-[3-[3-fluoro-4-(2-methoxyethoxy)anilino]-3-oxopropyl]benzamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C19H19BrF2N2O4
assistant