[{"from": "human", "value": "Describe this molecule. [C][O][C][=C][C][=Branch1][=Branch2][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][O][O][C]"}, {"from": "gpt", "value": "The molecule is a natural product found in Streptomyces antioxidans and Taxus baccata with data available."}]