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-[(3S,4R)-1-(4-bromo-3-methylphenyl)-2-oxo-4-(3,4,5-trimethoxyphenyl)azetidin-3-yl]-4-nitroisoindole-1,3-dione into molecular formula.
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C27H22BrN3O8
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