You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[(2S)-1-[5-(1,1-difluoroethyl)pyrimidin-2-yl]oxypropan-2-yl]-N-ethyl-3,4-difluoro-2-(triazol-2-yl)benzamide The above is the IUPAC name of a molecule. Write its molecular formula.
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C20H20F4N6O2
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