[{"from": "human", "value": "Provide a brief overview of this molecule. [C][NH2+1][C@@][Branch1][=Branch2][C][C][C][C][C][Ring1][=Branch1][=O][C][=C][C][=C][C][=C][Ring1][=Branch1][Cl].[Cl-1]"}, {"from": "gpt", "value": "The molecule is the hydrochloride salt of esketamine. It has a role as an intravenous anaesthetic, a NMDA receptor antagonist and an analgesic. It contains an esketamine."}]