You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 3-methyl-3-[2-methyl-2-[2-[(2-methyl-3-oxobutan-2-yl)amino]ethyl]hydrazinyl]-1-(2-nitroimidazol-1-yl)butane-1,2-dione into molecular formula.
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C16H26N6O5
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