You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule (3S)-1-(4-methoxyphenyl)-5-oxo-N-(5-propylsulfanyl-1,3,4-thiadiazol-2-yl)pyrrolidine-3-carboxamide ?
user
C17H20N4O3S2
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