[{"from": "human", "value": "Given the following reaction, what are some possible reagents that could have been utilized? [Br][Br].[C][C][Branch1][C][C][C][C][=Branch1][C][=O][C][=C][C][=C][C][=C][Ring1][=Branch1][Ring1][O]>>[C][C][Branch1][C][C][C][C][=Branch1][C][=O][C][=C][C][Branch1][C][Br][=C][C][=C][Ring1][#Branch1][Ring1][N]"}, {"from": "gpt", "value": "[Al+3].[Cl-1].[Cl-1].[Cl-1]"}]