[{"from": "human", "value": "Given the following chemical reaction, what are some potential reagents that could have been employed? [N][#C][C][=C][C][Branch1][C][Br][=C][C][Branch1][C][Br][=C][Ring1][Branch2].[N-1][=N+1][=N-1]>>[Br][C][=C][C][Branch1][C][Br][=C][C][Branch1][Branch2][C][=N][N][=N][NH1][Ring1][Branch1][=C][Ring1][N]"}, {"from": "gpt", "value": "[Br-1].[Br-1].[Na+1].[Zn+2]"}]