[{"from": "human", "value": "Could you provide a description of this molecule? [C][=C][O][C][=C][Branch1][Branch1][C][Ring1][=Branch1][=O][O]"}, {"from": "gpt", "value": "The molecule is a natural product found in Parthenium integrifolium, Erigeron breviscapus, and Erigeron annuus with data available."}]