[{"from": "human", "value": "Can you suggest some reagents that might have been used in the given chemical reaction? [C][N].[C][O][C][=C][C][=C][Branch1][Ring1][C][=O][C][Branch1][Ring1][O][C][=C][Ring1][#Branch2]>>[C][N][C][C][=C][C][=C][Branch1][Ring1][O][C][C][=C][Ring1][Branch2][O][C]"}, {"from": "gpt", "value": "[C][O].[Cl].[BH4-1].[Na+1]"}]