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What is the molecular formula of the molecule identified by 1-[(3aR,6R,6aS)-4-[2-[tert-butyl(dimethyl)silyl]oxyethyl]-2,2-dimethyl-6,6a-dihydro-3aH-cyclopenta[d][1,3]dioxol-6-yl]pyrazolo[3,4-d]pyrimidin-4-amine ?
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C21H33N5O3Si
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