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 methyl 4-[(2,5-dimethoxyphenyl)methylidene]-1-(3-methoxypropyl)-2-methyl-5-oxopyrrole-3-carboxylate using the IUPAC nomenclature.
user
C20H25NO6
assistant