[{"from": "human", "value": "Given this chemical reaction, what are some reagents that could have been used? [C][C][C][C][C][C][N][=C][=O].[N][C][C][C][Cl]>>[C][C][C][C][C][C][N][C][=Branch1][C][=O][N][C][C][C][Cl]"}, {"from": "gpt", "value": "[C][C][N][Branch1][Ring1][C][C][C][C].[Cl].[Cl][C][Cl]"}]