[{"from": "human", "value": "Provide a brief overview of this molecule. [233U]"}, {"from": "gpt", "value": "The molecule is an artificial isotope of uranium. Uranium is a chemical element with 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. Natural uranium is a mixture of three radioactive isotopes called uranium-234, uranium-235, and uranium-238. Uranium-233 is used as a fuel for nuclear reactors and nuclear weapons.  Uranium is also used as a colorant in uranium glass, producing orange-red to lemon yellow hues. (L248, L249)"}]