Using CC(C)(C)OC(=O)NCc1cc([N+](=O)[O-])ccc1C(C)(C)C to produce CC(C)(C)OC(=O)NCc1cc(N)ccc1C(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.