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What is the molecular formula of the molecule (3R,3aR,6aR)-2-[(3aS,4R,6R,6aS)-6-[(4S)-2,2-dimethyl-1,3-dioxolan-4-yl]-2,2-dimethyl-3a,4,6,6a-tetrahydrofuro[3,4-d][1,3]dioxol-4-yl]-3-[[tert-butyl(diphenyl)silyl]oxymethyl]-3,3a,6,6a-tetrahydrofuro[2,3-d][1,2]oxazol-5-one ?
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C34H45NO9Si
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