[{"from": "human", "value": "Can you provide potential reagents for the following chemical reaction? [C][O][C][=C][C][=C][Branch1][C][F][C][Branch1][C][Cl][=C][Ring1][Branch2][C][=O]>>[O][=C][C][=C][Branch1][C][O][C][=C][C][Branch1][C][F][=C][Ring1][Branch2][Cl]"}, {"from": "gpt", "value": "[Br][B][Branch1][C][Br][Br].[Cl][C][Cl]"}]