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 2-(trifluoromethyl)-N-(5,7,8-trimethyl-3-oxo-4H-1,4-benzoxazin-6-yl)benzamide is given. What is its corresponding molecular formula?
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C19H17F3N2O3
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