[{"from": "human", "value": "Provide a description of this molecule. [C][N][C][C][C@][C@@H1][C][=Branch1][C][=O][C][C][C@][Ring1][#Branch1][Branch2][Ring1][Branch2][C@H1][Ring1][O][C][C][=C][Ring1][O][C][=Branch1][#Branch2][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C][O][Ring1][P][O]"}, {"from": "gpt", "value": "The molecule is a semisynthetic opioid of formula C18H21NO4 that is derived from thebaine. It is a moderately potent opioid analgesic, generally used for relief of moderate to severe pain. It has a role as an opioid analgesic, a mu-opioid receptor agonist and an antitussive. It is an organic heteropentacyclic compound and a semisynthetic derivative. It is functionally related to a thebaine. It is a conjugate base of an oxycodone(1+). It derives from a hydride of a morphinan."}]