[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][C@][Branch1][O][C][O][C][=Branch1][C][=O][C@H1][Ring1][=Branch1][O][C]"}, {"from": "gpt", "value": "The molecule is a natural product found in Marshallia graminifolia and Vernonia angustifolia with data available."}]