Using COC(=O)C(C)(C)CCCCOc1cc(-c2ccc([N+](=O)[O-])cc2)c2ccccc2n1 to produce CC(C)(CCCCOc1cc(-c2ccc([N+](=O)[O-])cc2)c2ccccc2n1)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.