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-(4-methyl-2,5-dioxo-4-thiophen-3-ylimidazolidin-1-yl)-N-phenylacetamide using the IUPAC nomenclature.
user
C16H15N3O3S
assistant