[{"from": "human", "value": "Can you provide potential reagents for the following chemical reaction? [Br][Br].[C][O][C][=C][C][=C][C][=C][Ring1][=Branch1][N][C][C][N][C][C][Ring1][=Branch1]>>[C][O][C][=C][C][Branch1][C][Br][=C][C][=C][Ring1][#Branch1][N][C][C][N][C][C][Ring1][=Branch1]"}, {"from": "gpt", "value": "[Cl][C][Cl]"}]