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Name the molecular formula for the molecule established as 3-[3-(4-fluorophenyl)-1,2,4-oxadiazol-5-yl]-N-[3-(3-propan-2-yl-1,2,4-oxadiazol-5-yl)propyl]propanamide using the IUPAC nomenclature.
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C19H22FN5O3
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