You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name (3R,4S)-4-[(5,7-dimethyl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)sulfanyl]-1,1-dioxothiolan-3-ol into its molecular formula.
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C11H14N4O3S2
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