[{"from": "human", "value": "Can you suggest some reagents that might have been used in the given chemical reaction? [C][C][O][C][=Branch1][C][=O][C][=C][C][=C][C][=Branch1][C][=O][N][Ring1][#Branch1][C][C]>>[C][C][N][C][Branch1][Ring1][C][O][=C][C][=C][C][Ring1][Branch2][=O]"}, {"from": "gpt", "value": "[C][C][O].[BH4-1].[Ca+2].[Cl-1].[Cl-1].[Na+1]"}]