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 2-benzo[e][1]benzofuran-1-yl-N-(5-tert-butyl-1,2-oxazol-3-yl)acetamide is given. What is its corresponding molecular formula?
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C21H20N2O3
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