You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-[4-[4-[6-(dimethylamino)pyridin-3-yl]-5-(1H-imidazol-2-yl)-1,3-thiazol-2-yl]pyridin-2-yl]acetamide into molecular formula.
user
C20H19N7OS
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