[{"from": "human", "value": "Please give me some details about this molecule. [Cl][U][Branch1][C][Cl][Branch1][C][Cl][Cl]"}, {"from": "gpt", "value": "The molecule is a chloride of uranium It is used as feed in the electromagnetic isotope separation (EMIS) process of uranium enrichment. 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, L254)"}]