Using CC(=O)Nc1cc(C)c([N+](=O)[O-])c(C)c1[N+](=O)[O-] to produce Cc1cc(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.