[{"from": "human", "value": "What reagents could have been utilized in the following chemical reaction? [C][C][O][C][=Branch1][C][=O][C][O][C][=C][C][=C][C][Branch1][Ring1][C][#N][=C][Ring1][Branch2]>>[N][#C][C][=C][C][=C][C][Branch1][Branch1][O][C][C][O][=C][Ring1][#Branch2]"}, {"from": "gpt", "value": "[C][C][O].[BH4-1].[Na+1]"}]