Using COC(=O)C(C)(C)CC1CCN(c2ccc([N+](=O)[O-])cn2)CC1 to produce CC(C)(CC1CCN(c2ccc([N+](=O)[O-])cn2)CC1)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.