[{"from": "human", "value": "Could you provide a description of this molecule? [C][C@H1][Branch1][N][C][C][C][=Branch1][C][=C][C][Branch1][C][C][C][C@H1][C][C@@H1][Branch2][Ring2][=Branch2][C@@][Branch2][Ring2][Ring2][C@@][Ring1][Branch1][Branch2][Ring1][=N][C][C][=C][C][Ring1][=Branch1][=C][C][C@@H1][C@@][Ring1][=Branch1][Branch1][=C][C][C][C@@H1][Branch1][Branch2][C][Ring1][=Branch1][Branch1][C][C][C][O][C][C][C][O]"}, {"from": "gpt", "value": "The molecule is a tetracyclic triterpenoid that is 24-methylidenelanosta-7,9(11)-diene substituted by hydroxy groups at positions 3 and 15 (3beta,15alpha stereoisomer). Isolated from Polyalthia suberosa, it exhibits anti-HIV activity. It has a role as a metabolite and an anti-HIV agent. It is a diol and a tetracyclic triterpenoid. It derives from a hydride of a lanostane."}]