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