Using C[O-], CS(=O)(=O)Nc1cc(Br)cc(C(=O)c2ccnc(Cl)c2)c1 to produce COc1cc(C(=O)c2cc(Br)cc(NS(C)(=O)=O)c2)ccn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.