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 (4'aS)-1',1',4'a-trimethylspiro[1,3-dioxolane-2,5'-3,4,6,7,8,8a-hexahydronaphthalene]-2'-one into molecular formula.
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C15H24O3
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