Using [N-]=[N+]=[N-], CC(C)(C)OC(=O)N[C@H](C(=O)c1ccc(F)cc1)C(C)(C)C to produce CC(C)(C)OC(=O)N[C@H](C(=O)c1ccc(N=[N+]=[N-])cc1)C(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.