[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a hydrochloride obtained by reaction of oxycodone with one molar equivalent of hydrochloric acid. It is a moderately potent opioid analgesic, generally used for relief of moderate to severe pain. It has a role as a mu-opioid receptor agonist, an antitussive and an opioid analgesic. It contains an oxycodone(1+)."}, {"from": "gpt", "value": "[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].[Cl]"}]