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