You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name 2-(6-bromo-4-oxoquinazolin-3-yl)-N-[4,4,4-trifluoro-3-hydroxy-3-(1-methylimidazol-2-yl)butyl]acetamide into its molecular formula.
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C18H17BrF3N5O3
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