Using Cc1cc(Cl)c([N+](=O)[O-])c(C)c1[N+](=O)[O-], [N-]=[N+]=[N-] to produce Cc1cc(N=[N+]=[N-])c([N+](=O)[O-])c(C)c1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.