[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a fluoride of uranium. It is used for fuel in nuclear reactors and nuclear weapons. 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, L252)"}, {"from": "gpt", "value": "[F][U][Branch1][C][F][Branch1][C][F][Branch1][C][F][Branch1][C][F][F]"}]