[{"from": "human", "value": "Please give me some details about this molecule. [C][C@@H1][Branch1][=N][C][/C][=C][/C][Branch1][C][C][Branch1][C][C][O][C][C@@H1][C][C][C@][Branch2][Ring2][Ring2][C@][Ring1][Branch1][Branch2][Ring1][=N][C][C][C@H1][C@H1][Ring1][=Branch1][C][C][C@@H1][C@@][Ring1][=Branch1][Branch1][=C][C][C][C@@H1][Branch1][Branch2][C][Ring1][=Branch1][Branch1][C][C][C][O][C][C][C]"}, {"from": "gpt", "value": "The molecule is a tirucallane triterpenoid that is (13alpha,14beta,17alpha,20S,23E)-lanosta-23-ene substituted by beta-hydroxy group at position 3 and a methoxy group at position 25. It has been isolated from the stem and stem barks of Cornus walteri. It has a role as a plant metabolite. It is an ether, a tirucallane triterpenoid and a secondary alcohol."}]