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 N-[1-[2-(2-bromobenzoyl)hydrazinyl]-3-methyl-1-oxobutan-2-yl]-2-[(4-methoxybenzoyl)amino]benzamide into molecular formula.
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C27H27BrN4O5
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