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 N-(3-methyl-2-oxo-1,3-benzoxazol-5-yl)-4-(2-oxopyrrolidin-1-yl)benzamide is given. What is its corresponding molecular formula?
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C19H17N3O4
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