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For the molecule named [(3aR,6R,6aS)-6-(4-chloropyrrolo[2,3-d]pyrimidin-7-yl)-3a-ethyl-2,2-dimethyl-6,6a-dihydrocyclopenta[d][1,3]dioxol-4-yl]methoxy-tert-butyl-diphenylsilane by IUPAC nomenclature, provide its molecular formula.
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C33H38ClN3O3Si
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