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