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 (3R)-N-[[(2S)-1,4-diazabicyclo[2.2.2]octan-2-yl]methyl]-3-methyl-4-(2,2,2-trifluoroethyl)piperazine-1-carboxamide is given. What is its corresponding molecular formula?
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C15H26F3N5O
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