[{"from": "human", "value": "Please provide possible reagents based on the following chemical reaction. [Br][C][C][Br].[C][O][C][=C][C][Branch1][C][O][=C][C][=C][Ring1][#Branch1][C][=O]>>[C][O][C][=C][C][Branch1][Branch1][O][C][C][Br][=C][C][=C][Ring1][#Branch2][C][=O]"}, {"from": "gpt", "value": "[C][N][Branch1][C][C][C][=O].[O].[O][=C][Branch1][C][O-1][O-1].[K+1].[K+1]"}]