You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 3-[3-(1-acetamidocycloheptyl)-1,2,4-oxadiazol-5-yl]-N-[2-oxo-5-(trifluoromethyl)-1H-pyridin-3-yl]propanamide into molecular formula.
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C20H24F3N5O4
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