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Under IUPAC nomenclature, a molecule named 1-[(3aR,4R,6R,6aS)-3-(2-aminoethyl)-6-(hydroxymethyl)-2-sulfanylidene-3a,4,6,6a-tetrahydrofuro[3,4-d][1,3]oxazol-4-yl]pyrimidine-2,4-dione is given. What is its corresponding molecular formula?
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C12H16N4O5S
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