You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N,N-bis(2-hydroxyethyl)-2-methyl-5-[[2-(pyridin-2-ylamino)-1,3-thiazol-5-yl]sulfanyl]benzamide into its molecular formula.
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C20H22N4O3S2
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