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system
For the molecule named tert-butyl (3E)-3-[[2-[2-[tert-butyl(dimethyl)silyl]oxyethoxy]-5-chlorophenyl]methylidene]-6-chloro-2-oxoindole-1-carboxylate by IUPAC nomenclature, provide its molecular formula.
user
C28H35Cl2NO5Si
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