[{"from": "human", "value": "Given this chemical reaction, what are some reagents that could have been used? [C][C][C][C][C][C][C][=O].[C][C][N][C][C]>>[C][C][C][C][C][C][C][N][Branch1][Ring1][C][C][C][C]"}, {"from": "gpt", "value": "[C][C][=Branch1][C][=O][O].[C][O].[BH3-1][C][#N].[Na+1]"}]