[{"from": "human", "value": "Describe this molecule. [O].[O].[U]"}, {"from": "gpt", "value": "The molecule is an oxide of uranium.  Uranium oxides are used to colour glass and ceramics. Uranium is a chemical element that has the symbol U and atomic number 92. It is a normal part of rocks, soil, air, and water, and occurs in nature in the form of minerals. (L248, L249, L250)"}]