You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
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Based on the given information, generate a molecule that meets the desired specifications: When heated to decomposition it emits acrid smoke and irritating fumes. The molecule has Tasteless. The molecule has Olefinic, hedonic tone: unpleasant to neutral. Polymerization of ethylene in presence of metallic copper becomes violent above a pressure of 54 bar at about 400 °c, much carbon being deposited.
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