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 (4S,5E,10R,14S,15E,20R)-4,14-dihydroxy-10,20-dimethyl-1,11-dioxacycloicosa-5,15-diene-2,7,12,17-tetrone is given. What is its corresponding molecular formula?
user
C20H28O8
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