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What is the molecular formula of the molecule identified by (3R,5S,6S,6aS,12aR)-3-[dimethyl(phenyl)silyl]-5,6,8-trihydroxy-3-methyl-2,4,5,6,6a,12a-hexahydro-1H-benzo[a]anthracene-7,12-dione ?
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C27H30O5Si
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