You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name N-(3-cyano-5-ethylthiophen-2-yl)-4-(3-thiophen-2-yl-1,2,4-oxadiazol-5-yl)butanamide into its molecular formula.
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C17H16N4O2S2
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