Using CCN(C1(C(=O)OC)CC1)S(=O)(=O)c1ccc(Cl)cc1 to produce CCN(C1(C(=O)O)CC1)S(=O)(=O)c1ccc(Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.