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 6-[[(3R)-1-(cyclobutanecarbonyl)piperidin-3-yl]methyl]-N,N,2-trimethylpyrimidine-4-carboxamide is given. What is its corresponding molecular formula?
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C19H28N4O2
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