You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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5-pyridin-3-yl-3-[[(2R)-2-thiophen-2-ylpyrrolidin-1-yl]methyl]-1,3,4-oxadiazole-2-thione is the IUPAC name of a molecule. Please give its molecular formula.
user
C16H16N4OS2
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