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-(2,2-dimethyl-3,4-dihydrochromen-4-yl)-4-[(4-methyl-1,2,5-oxadiazol-3-yl)methoxy]benzamide into molecular formula.
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C22H23N3O4
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