[{"from": "human", "value": "Generate a molecule based on this description. The molecule appears as a colorless liquid with a pungent odor. Flash point 118 \u00b0F. Insoluble in water and denser than water. Hence, sinks in water. Very toxic by ingestion, inhalation and skin absorption. A lachrymator. Used to make other chemicals and as a fumigant."}, {"from": "gpt", "value": "[C][Branch1][Ring1][C][#N][Cl]"}]