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 4-fluoro-N-[[(4S)-6-(1-methylpyrazol-4-yl)-2-oxo-4-(trifluoromethyl)-1H-3,1-benzoxazin-4-yl]methyl]benzamide into its molecular formula.
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C21H16F4N4O3
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