You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule diethyl 2-[(1S,2R,3S)-2-[[tert-butyl(dimethyl)silyl]oxymethyl]-3-hydroxy-1,2-dimethylcyclopentyl]propanedioate into molecular formula.
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C21H40O6Si
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