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,4R,6S,9E,13S,14S)-13-hydroxy-4,9,13-trimethyl-17-methylidene-5,15-dioxatricyclo[12.3.1.04,6]octadec-9-en-16-one is given. What is its corresponding molecular formula?
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C20H30O4
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