Using NC(=O)c1ccccc1N, CC(C(=O)O)C1CCN(C(=O)OC(C)(C)C)CC1 to produce CC(C(=O)Nc1ccccc1C(N)=O)C1CCN(C(=O)OC(C)(C)C)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.