[{"from": "human", "value": "Could you provide a description of this molecule? [Cl][U][Branch1][C][Cl][Cl]"}, {"from": "gpt", "value": "The molecule is a chemical compound of uranium.  It is used mostly to reprocess spent nuclear fuel, as well as in chemistry as a reagent and catalyst. 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, L255)"}]