[{"from": "human", "value": "Please provide possible reagents based on the following chemical reaction. [C][O][C][=C][N][=C][NH1][C][Branch1][C][C][=C][C][Ring1][=Branch1][=C][Ring1][#Branch2]>>[C][C][=C][C][=C][C][Branch1][C][O][=C][N][=C][Ring1][#Branch1][NH1][Ring1][#Branch2]"}, {"from": "gpt", "value": "[Br][B][Branch1][C][Br][Br].[Cl].[Cl][C][Cl].[Na+1].[OH1-1]"}]