[{"from": "human", "value": "Please suggest some possible reagents that could have been used in the following chemical reaction. [C][N][C][C][C][Branch1][S][C][=Branch1][C][=O][C][=C][C][=C][Branch1][C][Cl][C][=C][Ring1][#Branch1][C][C][Ring1][#C]>>[C][N][C][C][C][Branch1][S][C][Branch1][C][O][C][=C][C][=C][Branch1][C][Cl][C][=C][Ring1][#Branch1][C][C][Ring1][#C]"}, {"from": "gpt", "value": "[C][O].[BH4-1].[Na+1]"}]