Using CC(C)(C)OC(=O)N1CCN(c2ccc([N+](=O)[O-])nc2)C(=O)C1 to produce CC(C)(C)OC(=O)N1CCN(c2ccc(N)nc2)C(=O)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.