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 3-[3-cyclopropyl-1-[3-(furan-3-yl)benzoyl]pyrrolidin-2-yl]-1,4-dihydro-1,2,4-triazol-5-one into molecular formula.
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C20H20N4O3
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