Using NC(=O)CC(O)(Cn1cncn1)c1ccc(Cl)cc1Cl, COC(=O)Cl to produce COC(=O)N(C(=O)CC(O)(Cn1cncn1)c1ccc(Cl)cc1Cl)C(=O)OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.