Using [N-]=[N+]=[N-], NC(=O)[C@@H]1CC[C@H](Br)[C@H](O)C1 to produce [N-]=[N+]=N[C@@H]1CC[C@@H](C(N)=O)C[C@H]1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.