You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as N-[(Z)-(3,4-dimethoxyphenyl)methylideneamino]-2-[(3,5-dioxo-2H-1,2,4-triazin-6-yl)sulfanyl]-2-phenylacetamide using the IUPAC nomenclature.
user
C20H19N5O5S
assistant