[{"from": "human", "value": "Given the following reaction, what are some possible reagents that could have been utilized? [Br][Br].[C][C][=Branch1][C][=O][N][C][=C][C][=C][C][=C][Ring1][=Branch1]>>[C][C][=Branch1][C][=O][N][C][=C][C][=C][Branch1][C][Br][C][=C][Ring1][#Branch1]"}, {"from": "gpt", "value": "[Br][Br].[Cl].[Cl][C][Cl].[O].[Na+1].[O-1][Br+2][Branch1][C][O-1][O-1]"}]