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-[7-[2-(3-methoxyazetidin-3-yl)ethynyl]-5-methyl-4-oxo-2,3-dihydro-1,5-benzoxazepin-3-yl]-4-phenoxypyridine-2-carboxamide into molecular formula.
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C28H26N4O5
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