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 (2S)-N-[3-(4,5-dimethyl-1,3-oxazol-2-yl)phenyl]-2-[[(2R)-oxan-2-yl]methoxy]propanamide is given. What is its corresponding molecular formula?
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C20H26N2O4
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