You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[4-(dimethylamino)pyrimidin-5-yl]-4-(1,1,1-trifluoropropan-2-yl)piperazine-1-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C14H21F3N6O
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