You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-[(2R)-butan-2-yl]-2-[[5-(3-chloroanilino)-1,3,4-thiadiazol-2-yl]sulfanyl]acetamide into molecular formula.
user
C14H17ClN4OS2
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