You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[4-[(2-amino-2-oxoethyl)carbamoyl]phenyl]-5-bromo-3-methyl-1-benzofuran-2-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H16BrN3O4
assistant