[{"from": "human", "value": "Please give me some details about this molecule. [C][C][=C][C][=Branch1][=Branch2][=C][C][=Branch1][C][=O][O][Ring1][#Branch1][O]"}, {"from": "gpt", "value": "The molecule is a member of 2-pyranones. It is a conjugate acid of a triacetate lactone oxoanion."}]