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 2-[(2R)-2-(4-fluorophenyl)morpholin-4-yl]-N-(5-propyl-1,3,4-thiadiazol-2-yl)acetamide into molecular formula.
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C17H21FN4O2S
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