You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 1-[(1S)-1-(5-amino-1,3,4-thiadiazol-2-yl)ethyl]-3-(2-propylsulfanylphenyl)urea by IUPAC nomenclature, provide its molecular formula.
user
C14H19N5OS2
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