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 (5R)-5-benzyl-3-[(1R)-1-phenylethyl]-5-(5-phenyl-1,3,4-oxadiazol-2-yl)-1,3-oxazolidine-2,4-dione is given. What is its corresponding molecular formula?
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C26H21N3O4
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