You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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[3-[[[2-(5-carbamoyl-2-methylindolizin-1-yl)-5,7-dihydrofuro[3,4-d]pyrimidin-4-yl]amino]methyl]phenyl]boronic acid is the IUPAC name of a molecule. Please give its molecular formula.
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C23H22BN5O4
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