Using CC(C)S(=O)(=O)Nc1cc(C(=O)c2ccccc2)ccc1[N+](=O)[O-] to produce CC(C)S(=O)(=O)Nc1cc(C(=O)c2ccccc2)ccc1N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.