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 N-[2-oxo-2-[[4-oxo-4-(3-pyrrolidin-1-ylanilino)butan-2-yl]amino]ethyl]-5-phenyl-1,2-oxazole-3-carboxamide into molecular formula.
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C26H29N5O4
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