[{"from": "human", "value": "Provide a description of this molecule. [C][C][O][C][=Branch1][C][=O][C][/C][=Branch1][=Branch2][=C][/C][C][=C][Branch1][C][C][C][/C]"}, {"from": "gpt", "value": "The molecule is a natural product found in Achillea ligustica with data available."}]