[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule appears as a colorless odorless noncombustible gas. Chemically inert. The vapors are lighter than air. Nontoxic, but can act as a simple asphyxiant. Exposure of the container to prolonged heat or fire may cause it to rupture violently and rocket. Principal use is to fill lamp bulbs and tubes."}, {"from": "gpt", "value": "[Ne]"}]