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 2-hydroxy-3-[[2-[1-[4-(methanesulfonamido)thiophen-2-yl]propylamino]-3,4-dioxocyclobuten-1-yl]amino]-N,N-dimethylbenzamide .
user
C21H24N4O6S2
assistant