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What is the molecular formula of the compound with this IUPAC name (3R,3'R,4'S,5'R)-5'-(2-hydroxyethyl)-4'-[(4-methoxyphenyl)-dimethylsilyl]-3'-methyl-5-nitro-1-[[3-(3-oxo-1,4-benzoxazin-4-yl)phenyl]methyl]spiro[indole-3,2'-oxolane]-2-one ?
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C38H39N3O8Si
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