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 (3,5-dihydroxy-1-tetracyclo[3.3.1.03,9.07,9]nonanyl) 2,4,4-trimethyl-2-propan-2-ylpentanoate into molecular formula.
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C20H32O4
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