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 5-[[5-hydroxy-3-[4-(1-hydroxy-2-methylpropyl)phenyl]-1-methyl-2-oxoimidazol-4-yl]methoxymethyl]furan-2-carboxylic acid is given. What is its corresponding molecular formula?
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C21H24N2O7
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