[{"from": "human", "value": "What can you tell me about this molecule? [C][C][Branch1][C][C][C][=C][C][=C][C][C@H1][C@][Branch1][P][C][C][C][C@@][Ring1][=Branch1][Branch1][Branch2][C@H1][Ring1][#Branch2][C][C][Ring1][=C][C][Branch1][C][C][C][O]"}, {"from": "gpt", "value": "The molecule is an abietane diterpenoid having the skeleton of abietane with double bonds at C-7 and C-13 and a hydroxy function at C-18. It derives from a hydride of an abieta-7,13-diene."}]