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 5-[[2,4-dimethoxy-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]methylidene]-2,2-dimethyl-1,3-dioxane-4,6-dione into molecular formula.
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C21H27BO8
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