[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][=C][C][C@@H1][Branch1][=Branch1][O][C][Ring1][=Branch1][=O][C@@H1][Branch1][C][C][C][C][C][C@@][Branch2][Ring2][S][C@@][Ring1][Branch1][Branch2][Ring2][=Branch2][C][C][C][=C][Ring1][=Branch1][C][C][C@H1][Branch2][Ring1][Branch1][C@@][Ring1][=Branch1][Branch1][=Branch2][C][C][C][=Branch1][C][=O][O][C][C][O][C][=Branch1][C][=O][C][C][Branch1][C][C][Branch1][C][C][O][C][C]"}, {"from": "gpt", "value": "The molecule is a tricyclic triterpenoid that is 3,4-seco-lanosta-8,24-diene-26,22-olide 3-methylester substituted by an acetoxy group at position 19 and a hydroxy group at position 4. It is isolated from the fruiting bodies of the Vietnamese mushroom Ganoderma colossum and displays inhibitory activity towards the enzyme HIV protease. It has a role as a HIV protease inhibitor and a fungal metabolite. It is an acetate ester, a tertiary alcohol, a tricyclic triterpenoid, a delta-lactone and a methyl ester."}]