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 methyl (3R,3aS,4S,6aS)-4-chloro-3,3a,4,5,6,6a-hexahydro-1H-cyclopenta[c]furan-3-carboxylate into molecular formula.
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C9H13ClO3
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