Using COC(=O)C(C)(CCN1CCN(S(C)(=O)=O)CC1)c1ccc(Cl)c(Cl)c1 to produce CC(CCN1CCN(S(C)(=O)=O)CC1)(C(=O)O)c1ccc(Cl)c(Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.