[{"from": "human", "value": "Can you provide potential reagents for the following chemical reaction? [C][O][C][=Branch1][C][=O][C][=C][C][Branch1][C][Cl][=C][C][=C][Ring1][#Branch1][Br]>>[O][C][C][=C][C][Branch1][C][Cl][=C][C][=C][Ring1][#Branch1][Br]"}, {"from": "gpt", "value": "[C][C][C][O][C][Ring1][Branch1].[Al+3].[H-1].[H-1].[H-1].[H-1].[Li+1]"}]