[{"from": "human", "value": "Provide a description of this molecule. [C][C@@][C][C][C@@][Branch2][Branch1][=Branch1][C@H1][C][C][=C][C@H1][Branch2][Ring1][S][C@@][Ring1][=Branch1][Branch2][Ring1][=Branch2][C][C][C@][Ring1][#Branch2][Branch1][P][C@@H1][Ring1][=C][C][C][Branch1][=Branch1][C][C][Ring2][Ring1][C][Branch1][C][C][C][C][C][C][C][C@@H1][Branch1][=Branch2][C][Ring2][Ring1][Ring1][Branch1][C][C][C][O][C]"}, {"from": "gpt", "value": "The molecule is a pentacyclic triterpenoid that is picene which has been fully hydrogenated except for a double bond between the 4a and 5 positions and is substituted by methyl groups at the 4, 4, 6bbeta, 8abeta, 11, 11, 12balpha and 14bbeta positions, and by a hydroxy group at the 3beta position. It is a pentacyclic triterpenoid and a secondary alcohol."}]