Using CC(C)(C)CCC(=O)N1CCN(c2nccc(C#N)n2)CC1, NO to produce CC(C)(C)CCC(=O)N1CCN(c2nccc(C(N)=NO)n2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.