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 (5Z)-3-cycloheptyl-5-[[3-(2-fluoropyridin-3-yl)furan-2-yl]methylidene]imidazolidine-2,4-dione into molecular formula.
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C20H20FN3O3
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