[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule appears as a clear colorless liquid with a mild, pleasnat odor. Insoluble in water and floats on water. Harmful or fatal by ingestion. Inhalation of vapors may irritate and damage lungs. High concentrations may have a narcotic effect."}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][C][C][C][C][=C]"}]