Using CC(C)(C)OC(=O)c1nc2cc([N+](=O)[O-])ccc2[nH]1 to produce CC(C)(C)OC(=O)c1nc2cc(N)ccc2[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.