[{"from": "human", "value": "Provide a description of this molecule. [C][C][=C][C][C@H1][Branch1][=Branch1][O][C][Ring1][=Branch1][=O][C@@H1][Branch1][C][C][C@H1][C][C][C@@][Branch2][Ring2][Branch1][C@@][Ring1][Branch1][Branch2][Ring1][=C][C][C][C][=C][Ring1][=Branch1][C][=C][C][=Branch1][=Branch1][=C][Branch1][C][C][C][C][=Branch1][Ring2][=C][Ring1][#Branch2][C][C][C][=Branch1][C][=O][O][C][C]"}, {"from": "gpt", "value": "The molecule is a terpene lactone isolated from the stems and roots of Kadsura lancilimba and has been shown to exhibit anti-HIV activity. It has a role as a metabolite and an anti-HIV agent. It is a terpene lactone, a tricyclic triterpenoid, a delta-lactone and a monocarboxylic acid."}]