Using CC(C)(C)OC(=O)N[C@H](CN=[N+]=[N-])c1cc(F)cc(Br)c1 to produce [N-]=[N+]=NC[C@@H](N)c1cc(F)cc(Br)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.