You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance (E)-N-[1-(6-bromo-2,3-dihydro-1,4-benzodioxin-7-yl)ethyl]-3-phenylprop-2-enamide .
user
C19H18BrNO3
assistant