You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named (1R,2S,3S,5R,7R,10R,14R)-3,5-dihydroxy-2,6,6,10,14-pentamethyl-11,13-dioxatetracyclo[8.8.0.02,7.012,17]octadec-12(17)-en-16-one is given. What is its corresponding molecular formula?
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C21H32O5
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