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 2-[2-[[(4aS,9aS)-4-methyl-3-oxo-4a,5,6,8,9,9a-hexahydro-[1,4]oxazino[2,3-d]azepin-7-yl]methyl]-5-tert-butylphenoxy]acetamide into molecular formula.
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C22H33N3O4
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