[{"from": "human", "value": "Please provide possible reagents based on the following chemical reaction. [Br][Br].[C][C][=C][C][=C][C][C][=Branch1][C][=O][NH1][C][=C][C][Ring1][O][=Ring1][#Branch1]>>[C][C][=C][C][=C][C][C][=Branch1][C][=O][NH1][C][=C][Branch1][C][Br][C][Ring1][N][=Ring1][Branch2]"}, {"from": "gpt", "value": "[C][C][O][C][C].[Cl][C][Cl]"}]