[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][=Branch1][C][=O][C@@H1][C][C][C@][Branch2][Branch1][C][C@H1][Ring1][Branch1][C@H1][C][C][C@@H1][C@][Branch2][Ring2][=Branch1][C][C][C@@H1][Branch2][Ring1][#C][C][Branch2][Ring1][#Branch1][C@@H1][Ring1][=Branch1][C][C][C@][Ring1][#Branch2][Branch1][N][C@@][Ring1][=C][Branch1][=Branch1][C][C][Ring2][Ring1][C][C][C][Branch1][C][C][C][O][C][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a pentacyclic triterpenoid that is 30-norlupan-28-oic acid substituted by a 3beta-hydroxy and an oxo group at position 20. It is isolated from the leaves of Syzygium claviflorum and exhibits anti-HIV activity. It has a role as a metabolite and an anti-HIV agent. It is a hydroxy monocarboxylic acid, a methyl ketone and a pentacyclic triterpenoid."}]