You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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[(3aR,6aS)-3-methyl-2,3,3a,5,6,6a-hexahydrofuro[3,2-b]furan-6-yl] methyl carbonate is the IUPAC name of a molecule. Please give its molecular formula.
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C9H14O5
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