[{"from": "human", "value": "Provide a description of this molecule. [C][C@H1][Branch1][=N][C][C][/C][=C][Branch1][C][/C][\\C][=Branch1][C][=O][O][C@H1][C][C][C@@][Branch2][Ring2][#Branch1][C@@][Ring1][Branch1][Branch2][Ring1][S][C][C][C@][C@H1][Ring1][=Branch1][C][C][C@H1][Branch1][S][C@][Ring1][=Branch1][Branch1][Ring2][C][Ring1][#Branch1][C][C][C][=Branch1][C][=O][O][C][=Branch1][C][=C][C][C][C]"}, {"from": "gpt", "value": "The molecule is a tetracyclic triterpenoid that is 3,4-secocycloarta-4(28),24-(Z)-diene substituted by carboxy groups at positions 3 and 26. Isolated from Schisandra henryi and Schisandra propinqua, it exhibits cytotoxic and anti-HIV activities. It has a role as a metabolite, an antineoplastic agent and a HIV-1 reverse transcriptase inhibitor. It is a tetracyclic triterpenoid and a dicarboxylic acid."}]