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 4-(2-oxo-1,3-benzoxazol-3-yl)-N-[(1R)-1-[(2R)-oxolan-2-yl]ethyl]butanamide is given. What is its corresponding molecular formula?
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C17H22N2O4
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