[{"from": "human", "value": "Given the following reaction, what are some possible reagents that could have been utilized? [C][C][C][N][C][Ring1][Branch1].[C][C][Branch1][C][Br][C][=Branch1][C][=O][Cl]>>[C][C][Branch1][C][Br][C][=Branch1][C][=O][N][C][C][C][C][Ring1][Branch1]"}, {"from": "gpt", "value": "[Cl][C][Cl].[Cl-1].[NH4+1]"}]