You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-(2-bromo-4-methylphenyl)-3-(4-methoxyphenyl)-2-methyl-1-oxo-3,4-dihydroisoquinoline-4-carboxamide into molecular formula.
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C25H23BrN2O3
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