You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 1-[2-(1H-benzimidazol-2-yl)piperidin-1-yl]-2-(4-methyl-1,2,5-oxadiazol-3-yl)ethanone into molecular formula.
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C17H19N5O2
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