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 N-[3-[[(1R)-2-methyl-1-(3-methylpyridin-2-yl)propyl]carbamoylamino]phenyl]acetamide is given. What is its corresponding molecular formula?
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C19H24N4O2
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