[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][C][Branch1][Ring2][C][Ring1][Ring2][C][N][C][C][C@][C@@H1][C@H1][Branch2][Ring1][S][C][C][C@][Ring1][=Branch1][Branch2][Ring1][#Branch1][C@H1][Ring1][#Branch2][C][C][=C][Ring1][#Branch2][C][=Branch1][=Branch2][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][O][Ring1][#C][O][O]"}, {"from": "gpt", "value": "The molecule is an organic heteropentacyclic compound. It has a role as a mu-opioid receptor antagonist and an opioid analgesic. It derives from a hydride of a morphinan."}]