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