You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (2R)-N-tert-butyl-1-[[1-(2,2,2-trifluoroethyl)imidazol-2-yl]methyl]piperidine-2-carboxamide into molecular formula.
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C16H25F3N4O
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