[{"from": "human", "value": "Provide a description of this molecule. [C][C][=Branch2][Branch1][=Branch1][=C][C][C][C@@][Branch2][Ring2][=C][C][C][C@@][Branch2][Ring2][#Branch1][C@H1][C][C][=C][C@H1][Branch2][Ring1][C][C@@][Ring1][=Branch1][Branch1][N][C][C][C@][Ring1][#Branch2][Branch1][Ring2][C][Ring1][=C][C][C][C][C][C@@H1][Branch1][Branch2][C][Ring1][=N][Branch1][C][C][C][O][C][C][C]"}, {"from": "gpt", "value": "The molecule is a tetracyclic triterpenoid that is chrysene which has been fully hydrogenated except for a double bond between the 12 and 12a positions and which is substituted by methyl groups at positions 1, 1, 4b, 6a, 8 and 10a positions, and by a 4-methylpent-3-en-1-yl group at position 8 (the 2S,4aS,4bR,6aS,8R,10aR,10bS-diastereoisomer). It has been isolated from the root bark of the Panamanian tree Maytenus blepharodes. It has a role as a metabolite. It is a tetracyclic triterpenoid and a secondary alcohol."}]