Using CC(C)(C)OC(=O)COc1ccc(N)cc1C#N, O=C(Cl)OCc1ccccc1 to produce CC(C)(C)OC(=O)COc1ccc(NC(=O)OCc2ccccc2)cc1C#N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.