[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][C][=Branch1][C][=O][N][Branch1][=Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][C][Branch2][Ring1][Ring1][C][C][N][Branch1][Branch1][C][C][Ring1][=Branch1][C][C][C][=C][C][=C][S][Ring1][Branch1][C][O][C].[C][Branch1][=Branch1][C][=Branch1][C][=O][O][C][Branch1][#Branch1][C][C][=Branch1][C][=O][O][Branch1][=Branch1][C][=Branch1][C][=O][O][O]"}, {"from": "gpt", "value": "The molecule is the citrate salt form of sufentanil, a synthetic congener of fentanyl and related to the phenylpieridines, with analgesic property. Sufentanil citrate binds to and activates the mu-opioid receptor, thereby producing analgesia, respiratory depression, miosis, reduced gastrointestinal motility, and euphoria. In addition, this agent has a more rapid onset of action and shorter duration of action compared to fentanyl."}]