[{"from": "human", "value": "Provide a description of this molecule. [C][C][=C][C@H1][C@H1][Branch2][Ring1][#Branch1][C@@H1][Branch1][=C][C@@H1][C@@H1][Ring1][#Branch1][C][C][C@@][Ring1][Branch1][Branch1][C][C][O][O][C][=Branch1][C][=O][C][C][=Branch1][C][=C][C][=Branch1][C][=O][O][Ring2][Ring1][Ring1]"}, {"from": "gpt", "value": "The molecule is a sesquiterpene lactone that is 3a,4,4a,5,6,7,7a,9a-octahydroazuleno[6,5-b]furan-2(3H)-one substituted by a hydroxy group at position 5, methyl groups at positions 5 and 8, a methylidene group at position 3 and an acetoxy group at position 4. It has been isolated from the aerial parts of Inula hupehensis. It has a role as a metabolite and a plant metabolite. It is a sesquiterpene lactone, a gamma-lactone, an acetate ester, an organic heterotricyclic compound and a tertiary alcohol."}]