You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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N-ethyl-2-[(2-fluorophenoxy)methyl]-N-[[(3R)-1-methylpyrrolidin-3-yl]methyl]-1,3-oxazole-4-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
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C19H24FN3O3
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