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 N-[(3S)-2-oxothiolan-3-yl]-2-(1-prop-2-enylbenzimidazol-2-yl)sulfanylacetamide is given. What is its corresponding molecular formula?
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C16H17N3O2S2
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