Using CN(c1ncccc1[N+](=O)[O-])C1CCN(C(=O)OC(C)(C)C)CC1 to produce CN(c1ncccc1N)C1CCN(C(=O)OC(C)(C)C)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.