[{"from": "human", "value": "What can you tell me about this molecule? [C][C][C][C][C][C][C][C][C][C][C][=C]"}, {"from": "gpt", "value": "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."}]