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 N-(2,3-dihydro-1,4-benzodioxin-6-ylmethylideneamino)-4-(4-imino-3-oxobut-1-enyl)benzamide .
user
C20H17N3O4
assistant