[{"from": "human", "value": "Describe 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 ketamine. It has a role as an analgesic, a NMDA receptor antagonist and an intravenous anaesthetic. It contains a ketamine."}]