[{"from": "human", "value": "Describe this molecule. [C][C@@H1][C@@H1][C][C][C][=Branch2][Ring1][=Branch1][=C][C@@H1][Branch1][=Branch2][C@H1][Ring1][#Branch1][O][C][Ring1][#Branch2][=O][C][=Branch1][=Branch1][=C][C][Ring1][=Branch2][=O][C][C]"}, {"from": "gpt", "value": "The molecule is a sesquiterpene lactone that is (3R,3aS,9aS,9bS)-3,3a,4,5,9a,9b-hexahydroazuleno[4,5-b]furan-2,7-dione carrying three additional methyl substituents at positions 3, 6 and 9. It has a role as a plant metabolite and a nitric oxide synthase activator. It is an azulenofuran and a sesquiterpene lactone."}]