[{"from": "human", "value": "Please give me some details about this molecule. [C][C@H1][C][C][C][C@][Branch2][Ring1][#Branch2][C@@][Ring1][=Branch1][C@@H1][Branch1][Ring2][O][Ring1][Ring1][C@H1][C@@H1][Branch1][Ring2][C][Ring1][#Branch1][O][C][=Branch1][C][=O][C][Ring1][#Branch1][=C][C]"}, {"from": "gpt", "value": "The molecule is a sesquiterpene lactone that is the 5alpha-epoxy derivative of alantolactone. Isolated from the root extracts of Inula helenium, it exhibits antimycobacterial activity. It has a role as a metabolite and an antimycobacterial drug. It is a naphthofuran, a sesquiterpene lactone and an epoxide. It is functionally related to an alantolactone."}]