Using O=C([O-])[O-], COc1cccc(OC)c1C(=O)N1CCC(Nc2nc3ccc(Cl)cc3o2)C1 to produce COc1cccc(OC)c1C(=O)N1CC[C@@H](N(C)c2nc3ccc(Cl)cc3o2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.