[{"from": "human", "value": "Could you provide a description of this molecule? [C][=Branch1][C][=N][=O]"}, {"from": "gpt", "value": "The molecule is a colourless, volatile, poisonous inorganic compound with the formula HNCO; the simplest stable chemical compound that contains carbon, hydrogen, nitrogen, and oxygen, the four most commonly-found elements in organic chemistry and biology. It is a hydracid and a one-carbon compound. It is a conjugate acid of a cyanate. It is a tautomer of a cyanic acid."}]