Using C[C@@H](O)[C@H](NC(=O)OC(C)(C)C)C(=O)O, O=[N+]([O-])c1ccccc1F to produce C[C@@H](Oc1ccccc1[N+](=O)[O-])[C@H](NC(=O)OC(C)(C)C)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.