[{"from": "human", "value": "What can you tell me about this molecule? [O][=U][=O].[Cl].[Cl]"}, {"from": "gpt", "value": "The molecule is a chloride of uranium. 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)"}]