[{"from": "human", "value": "Please give me some details about this molecule. [C][C@H1][Branch1][=Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][N][C][=N][C][=C][Ring1][Branch1][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is ethylbenzene in which the pro-R alpha-hydrogen is substituted by the nitrogen at the 1 position of 1H-imidazole-5-carboxylic acid. Its ethyl ester, etomidate, is used as an intravenous anaesthetic."}]