[{"from": "human", "value": "Provide a description of this molecule. [C][C@@H1][C][C@H1][C@H1][Branch1][#C][C][C@][Branch1][#Branch2][C@H1][Ring1][#Branch1][C][C][C][Ring1][Branch1][=O][C][C][=Branch1][C][=C][C][=Branch1][C][=O][O][Ring1][#C]"}, {"from": "gpt", "value": "The molecule is a sesquiterpene lactone that is decahydroazuleno[6,5-b]furan-2,5-dione substituted by methyl groups at positions 4a and 8 and a methylidene group at position 3. It has been isolated from the aerial parts of Inula hupehensis. It has a role as a metabolite, a plant metabolite and an anti-inflammatory agent. It is a cyclic ketone, a sesquiterpene lactone, a gamma-lactone and an organic heterotricyclic compound."}]