Using COC(=O)CBr, COc1nc2cc(Cl)c(Cl)c(NS(C)(=O)=O)c2nc1OC to produce COC(=O)CN(c1c(Cl)c(Cl)cc2nc(OC)c(OC)nc12)S(C)(=O)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.