Using COc1ccc(C(=O)CC(c2ccc(S(C)(=O)=O)cc2)c2ccccc2Cl)cn1 to produce CS(=O)(=O)c1ccc(C(CC(=O)c2ccc(=O)[nH]c2)c2ccccc2Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.