[{"from": "human", "value": "Provide a description of this molecule. [C][C@@H1][Branch2][Branch1][Ring1][C@H1][C][C][C@@][Branch2][Ring2][O][C@@][Ring1][Branch1][Branch2][Ring2][Ring2][C][C][C@H1][C@@H1][Ring1][=Branch1][C][C][C@H1][Branch1][S][C@][Branch1][Ring2][C][Ring1][#Branch1][C][C][C][=Branch1][C][=O][O][Ring1][#Branch1][C@@][Branch1][C][C][Branch1][Ring1][C][O][O][C][C][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a tetracyclic triterpenoid that is a rearranged pentanortriterpenoid derived from cycloartane. Isolated from the leaves and stem of Schisandra lancifolia, it exhibits anti-HIV activity. It has a role as a metabolite and an anti-HIV agent. It is an oxaspiro compound, a tetracyclic triterpenoid, a gamma-lactone, a diol and a monocarboxylic acid."}]