You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named N-(4-fluorophenyl)-5-[(3R)-1-pentanoylpiperidin-3-yl]-1,3,4-thiadiazole-2-carboxamide is given. What is its corresponding molecular formula?
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C19H23FN4O2S
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