Using CC(=O)Nc1ccc(C(=O)C(C)C)cc1[N+](=O)[O-] to produce CC(=O)Nc1ccc(C(O)C(C)C)cc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.