Using COc1ccc(C2(C#N)CCC(=O)CC2)cc1OC1CCCC1, NO to produce COc1ccc(C2(C#N)CCC(=NO)CC2)cc1OC1CCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.