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 2-(hydroxymethyl)-6-[[2-(hydroxymethyl)-3,9-dioxatricyclo[4.4.0.02,4]dec-7-en-10-yl]oxy]oxane-3,4,5-triol is given. What is its corresponding molecular formula?
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C15H22O9
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