[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][/C][=C][\\C][/C][=C][\\C][/C][=C][\\C][C][C][C][C][C][C][C][P][=Branch1][C][=O][Branch1][Ring1][O][C][F]"}, {"from": "gpt", "value": "The molecule is a phosphonic ester."}]