[{"from": "human", "value": "Please provide possible reagents based on the following chemical reaction. [C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][=Branch1][C][=O][O].[O][=C][Branch1][C][Cl][C][=Branch1][C][=O][Cl]>>[C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][=Branch1][C][=O][Cl]"}, {"from": "gpt", "value": "[C][N][Branch1][C][C][C][=O].[Cl][C][Cl]"}]