[{"from": "human", "value": "From the provided chemical reaction, propose some possible reagents that could have been used. [C][C][=Branch1][C][=O][Cl].[O][C][C][Branch1][C][F][Branch1][C][F][F]>>[C][C][=Branch1][C][=O][O][C][C][Branch1][C][F][Branch1][C][F][F]"}, {"from": "gpt", "value": "[C][C][N][Branch1][Ring1][C][C][C][C].[C][C][O][C][C].[O]"}]