[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][Branch2][Ring1][C][C][C][C][C][Ring1][Branch1][Branch1][=Branch2][O][C][=Branch1][C][=O][C][Ring1][Branch2][C][C]"}, {"from": "gpt", "value": "The molecule is a delta-lactone that is 2-oxabicyclo[3.2.1]octan-3-one substituted by methyl groups at positions 1, 8 and 8 respectively. It has a role as a plant metabolite."}]