Using [N-]=[N+]=[N-], CS(=O)(=O)Nc1cc(C(O)CBr)ccc1OCc1ccccc1 to produce CS(=O)(=O)Nc1cc([C@@H](O)CN=[N+]=[N-])ccc1OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.