You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule [2-(3,4-dihydro-2H-1,5-benzodioxepin-7-yl)-2-oxoethyl] (E)-2-cyano-3-[4-(dimethylamino)phenyl]prop-2-enoate .
user
C23H22N2O5
assistant