[{"from": "human", "value": "Based on the given chemical reaction, can you propose some likely reagents that might have been utilized? [O][=C][C][C][C][=C][C][Branch1][C][Cl][=C][C][=C][Ring1][#Branch1][Ring1][#Branch2]>>[O][C][C][C][C][=C][C][Branch1][C][Cl][=C][C][=C][Ring1][#Branch1][Ring1][#Branch2]"}, {"from": "gpt", "value": "[C][C][C][O][C][Ring1][Branch1].[Cl].[O].[BH4-1].[Na+1].[Na+1].[OH1-1]"}]