Using C=NO, CCN(CC)c1ccc(N=Nc2c(I)cc([N+](=O)[O-])cc2[N+](=O)[O-])c(NC(C)=O)c1 to produce CCN(CC)c1ccc(N=Nc2c(C#N)cc([N+](=O)[O-])cc2[N+](=O)[O-])c(NC(C)=O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.