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system
Name the molecular formula for the molecule established as [(2R,3R,4R,5R)-5-[[tert-butyl(dimethyl)silyl]oxymethyl]-2-(2,4-dioxopyrimidin-1-yl)-4-hydroxyoxolan-3-yl] (E)-but-2-enoate using the IUPAC nomenclature.
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C19H30N2O7Si
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