Using COC(=O)[C@H](Cc1ccc(C#N)cc1)NC(=O)c1ccc(C(C)(C)C)cc1, NO to produce COC(=O)[C@H](Cc1ccc(/C(N)=N/O)cc1)NC(=O)c1ccc(C(C)(C)C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.