Using CC(C)(C)OC(=O)N(Cc1cc([N+](=O)[O-])ccc1F)C(=O)OC(C)(C)C, c1cn[nH]c1 to produce CC(C)(C)OC(=O)N(Cc1cc([N+](=O)[O-])ccc1-n1cccn1)C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.