[{"from": "human", "value": "Please suggest some possible reagents that could have been used in the following chemical reaction. [O][=C][Branch1][C][Cl][C][=Branch1][C][=O][Cl].[O][=C][Branch1][C][O][C][C][C][Branch1][C][F][Branch1][C][F][F]>>[O][=C][Branch1][C][Cl][C][C][C][Branch1][C][F][Branch1][C][F][F]"}, {"from": "gpt", "value": "[C][C][C][C][C].[C][N][Branch1][C][C][C][=O]"}]