You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[[2-(dimethylamino)pyridin-3-yl]methyl]-2-[[5-(4-methoxyphenyl)-1,3,4-oxadiazol-2-yl]sulfanyl]acetamide into its molecular formula.
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C19H21N5O3S
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