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-[4-bromo-2-[(7S)-5-oxo-6,7-dihydro-4H-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl]phenoxy]-N-(2,4,6-trimethylphenyl)acetamide into molecular formula.
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C22H22BrN5O3
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