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