[{"from": "human", "value": "Please provide possible reagents based on the following chemical reaction. [C][O][C][=C][Branch1][=Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=C][C][=C][Ring1][N][C][Branch1][C][C][C]>>[C][C][Branch1][C][C][C][=C][C][=C][C][Branch1][=Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][=C][Ring1][N][O]"}, {"from": "gpt", "value": "[C][C][O][C][C].[Cl][C][Cl].[O]"}]