[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule appears as a liquid. Boiling point 190-192 \u00b0F (88-89 \u00b0C). Density 1.096 g / cm3. Flash point 44 \u00b0F. Highly toxic."}, {"from": "gpt", "value": "[C][=C][Branch1][Ring1][C][#N][Cl]"}]