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 2-O'-tert-butyl 2-O-ethyl (3aR,6aR)-5-oxo-1,3,3a,4,6,6a-hexahydropentalene-2,2-dicarboxylate into molecular formula.
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C16H24O5
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