[{"from": "human", "value": "Given the following reaction, what are some possible reagents that could have been utilized? [N][#C][C][=C][C][=C][C][Branch1][Ring1][C][=O][=C][Ring1][Branch2]>>[N][#C][C][=C][C][=C][C][Branch1][Ring1][C][O][=C][Ring1][Branch2]"}, {"from": "gpt", "value": "[C][C][C][O][C][Ring1][Branch1].[C][O].[O].[BH4-1].[Cl-1].[Na+1].[Na+1]"}]