You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (E)-3-(5-chloro-2,3-dihydro-1,4-benzodioxin-7-yl)-1-(3-nitrophenyl)prop-2-en-1-one into molecular formula.
user
C17H12ClNO5
assistant