You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance [1-(4-bromophenyl)-2,5-dioxopyrrolidin-3-yl] N'-[(E)-1-thiophen-2-ylethylideneamino]carbamimidothioate .
user
C17H15BrN4O2S2
assistant