You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 8-bromo-6-methyl-6H-isochromeno[4,3-b]pyridine;2-bromo-3-methylpyridine;(4-bromophenyl)boronic acid;2-(4-bromophenyl)-3-methylpyridine;formonitrile;methanol;(5R)-5-[(5-methoxy-3-oxo-1H-isoindol-2-yl)methyl]-5-[2-(6-methyl-6H-isochromeno[4,3-b]pyridin-8-yl)ethynyl]imidazolidine-2,4-dione is given. What is its corresponding molecular formula?
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C67H59BBr4N8O9
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