Using O=[N+]([O-])c1cc(Cl)c(Cl)cc1Cl, Cn1nc(N)c(C#N)n1 to produce Cn1nc(C#N)c(Nc2cc(Cl)c(Cl)cc2[N+](=O)[O-])n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.