[{"from": "human", "value": "Describe this molecule. [C][N][=C][=S]"}, {"from": "gpt", "value": "The molecule appears as a colorless liquid with a sharp odor. Lethal by inhalation of even small quantities of vapor. Does not have odor warning characteristics at low concentrations. Do not rely on the sense of smell to warn about the presence of vapors. Denser than water. May cause tearing and irritate the eyes, skin, nose and throat."}]