You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[[4,7-dibromo-5-methoxy-3-(methoxymethyl)-1-benzofuran-2-yl]methyl]propan-2-amine is the IUPAC name of a molecule. Please give its molecular formula.
user
C15H19Br2NO3
assistant