[{"from": "human", "value": "What reagents could have been utilized in the following chemical reaction? [C][=C][C][C][C][C][C][=Branch1][C][=O][O].[C][NH2+1][O][C]>>[C][=C][C][C][C][C][C][=Branch1][C][=O][N][Branch1][C][C][O][C]"}, {"from": "gpt", "value": "[C][N][Branch1][C][C][C][=C][C][=N][C][=C][Ring1][=Branch1].[Cl][C][C][Cl].[Cl][C][Cl].[Cl-1]"}]