Using COC(=O)c1ccc(OCC2CC(=O)N(c3ccc(OS(C)(=O)=O)cc3)C2)cc1 to produce CS(=O)(=O)Oc1ccc(N2CC(COc3ccc(C(=O)O)cc3)CC2=O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.