You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 2-(3-benzyl-2,4,5-trioxoimidazolidin-1-yl)-N-[(5-chlorothiophen-2-yl)methyl]-N-ethylacetamide ?
user
C19H18ClN3O4S
assistant