You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 3-(6,7,8,9-tetrahydro-5H-[1,2,4]triazolo[4,3-a]azepin-3-ylsulfanylmethyl)-5-thiophen-2-yl-1,2,4-oxadiazole into molecular formula.
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C14H15N5OS2
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