[{"from": "human", "value": "Can you suggest some reagents that might have been used in the given chemical reaction? [C][O][C][=C][C][=C][Branch1][#Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][Br][C][=N][Ring1][=N]>>[O][=C][C][=C][C][Branch1][#Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][Br][=C][NH1][Ring1][=N]"}, {"from": "gpt", "value": "[Cl][C][C][Cl].[Al+3].[Cl-1].[Cl-1].[Cl-1]"}]