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