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 2-(N-acetyl-2,5-dimethoxyanilino)-N-(1,1-dioxothiolan-3-yl)-N-ethylacetamide using the IUPAC nomenclature.
user
C18H26N2O6S
assistant