Using CCOC(=O)c1ccc(C(C(=O)Nc2ccc(Cl)cc2)N2CCN(C)CC2)s1 to produce CN1CCN(C(C(=O)Nc2ccc(Cl)cc2)c2ccc(C(=O)O)s2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.