Using CCOC(=O)C1CCN(C)C(S(=O)(=O)c2ccc(OCc3ccc(Cl)cc3)cc2)C1 to produce CN1CCC(C(=O)O)CC1S(=O)(=O)c1ccc(OCc2ccc(Cl)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.