Using CN(C)C(=O)c1cc([N+](=O)[O-])ccc1OC1CCN(C(=O)OC(C)(C)C)CC1 to produce CN(C)C(=O)c1cc(N)ccc1OC1CCN(C(=O)OC(C)(C)C)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.