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 (3S,5R)-N-[5-(4-fluorophenyl)-1,3,4-oxadiazol-2-yl]-4-(2-methoxyethyl)-3,5-dimethylpiperazine-1-carboxamide into molecular formula.
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C18H24FN5O3
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