[{"from": "human", "value": "Describe this molecule. [C][C][C][C][C][C][Branch2][Ring1][#Branch1][C][Ring1][=Branch1][Branch1][P][C][C][Branch1][Branch1][C][C][Ring1][=Branch1][C][Branch1][C][C][Branch1][C][C][O][O][C]"}, {"from": "gpt", "value": "The molecule is a natural product found in Periploca sepium with data available."}]