You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 2-oxo-N-(3-propylsulfanyl-1,2,4-thiadiazol-5-yl)-1H-quinoline-4-carboxamide is given. What is its corresponding molecular formula?
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C15H14N4O2S2
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