Using CCN(CC1CCN(C(=O)OC(C)(C)C)CC1)C1CCc2ccc([N+](=O)[O-])cc2C1 to produce CCN(CC1CCN(C(=O)OC(C)(C)C)CC1)C1CCc2ccc(N)cc2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.