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