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 2-(aminomethyl)-2-ethyl-N-[[2-(2,2,2-trifluoroethoxy)pyridin-3-yl]methyl]butanamide is given. What is its corresponding molecular formula?
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C15H22F3N3O2
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