Using CC(C)(C)OC(=O)N[C@@H](COc1ccc(F)cc1[N+](=O)[O-])C(=O)O to produce CC(C)(C)OC(=O)N[C@@H](COc1ccc(F)cc1N)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.