Using NO, COc1ccc(C(=O)Nc2ccc(C#N)cc2NC(=O)c2ccc(OC)cc2)cc1 to produce COc1ccc(C(=O)Nc2ccc(C(N)=NO)cc2NC(=O)c2ccc(OC)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.