[{"from": "human", "value": "Generate a molecule based on this description. The molecule appears as a colorless liquid with a characteristic odor. Flash point 163 \u00b0F. Density 14 lb / gal. Insoluble in water. Toxic by inhalation and by skin absorption."}, {"from": "gpt", "value": "[C][C][Pb][Branch1][Ring1][C][C][Branch1][Ring1][C][C][C][C]"}]