You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 2-[2-[[2-(2-oxo-3-propylbenzimidazol-1-yl)acetyl]amino]-1,3-thiazol-4-yl]acetamide by IUPAC nomenclature, provide its molecular formula.
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C17H19N5O3S
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