[{"from": "human", "value": "Based on the given chemical reaction, can you propose some likely reagents that might have been utilized? [Br][Br].[O][=C][C][C][S][C][=C][Branch1][C][Cl][C][=C][C][Branch1][C][Cl][=C][Ring1][Branch2][Ring1][N]>>[O][=C][C][C][S][C][=C][Branch1][C][Cl][C][=C][Branch1][C][Br][C][Branch1][C][Cl][=C][Ring1][=Branch2][Ring1][=N]"}, {"from": "gpt", "value": "[Cl].[Cl][C][Cl].[Al+3].[Cl-1].[Cl-1].[Cl-1]"}]