You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[(E)-3-amino-1-(furan-2-yl)-3-oxoprop-1-en-2-yl]-5-bromofuran-2-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C12H9BrN2O4
assistant