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 (2R,3S,4R,5R)-2-[2-(2-amino-3-bromoquinolin-7-yl)ethyl]-5-[4-(methylamino)pyrrolo[2,3-d]pyrimidin-7-yl]oxolane-3,4-diol into molecular formula.
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C22H23BrN6O3
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