You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 1-[(1S,2R,4R,5R)-4-(hydroxymethyl)-3-oxa-6-thiabicyclo[3.1.0]hexan-2-yl]pyrimidine-2,4-dione by IUPAC nomenclature, provide its molecular formula.
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C9H10N2O4S
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