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Under IUPAC nomenclature, a molecule named propan-2-yl (2R)-2-[[(2,5-dioxoimidazolidin-4-yl)methylsulfanyl-[[(3R)-5-(2,4-dioxopyrimidin-1-yl)-3,4-dihydroxy-4-methyloxolan-2-yl]methoxy]phosphoryl]amino]propanoate is given. What is its corresponding molecular formula?
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C20H30N5O11PS
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