[{"from": "human", "value": "Can you suggest some reagents that might have been used in the given chemical reaction? [Br][Br].[C][C][=Branch1][C][=O][C][=C][C][=C][Branch1][C][C][C][=C][Ring1][#Branch1]>>[C][C][=Branch1][C][=O][C][=C][C][=C][Branch1][C][C][C][Branch1][C][Br][=C][Ring1][Branch2]"}, {"from": "gpt", "value": "[Br].[Cl].[Al+3].[Cl-1].[Cl-1].[Cl-1]"}]