You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named 2-bromo-3-methoxypyridine;3-fluoro-N-hydroxy-4-[[(3-methoxypyridin-2-yl)-pyrazin-2-ylamino]methyl]benzamide;N-(3-methoxypyridin-2-yl)pyrazin-2-amine;methyl 3-fluoro-4-[[(3-methoxypyridin-2-yl)-pyrazin-2-ylamino]methyl]benzoate;potassiopotassium;pyrazin-2-amine is given. What is its corresponding molecular formula?
user
C57H54BrF2K2N17O8
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