You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-(2-cyanoethyl)-2-[(5,7-dimethyl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)sulfanyl]-N-[3-(trifluoromethyl)phenyl]acetamide into its molecular formula.
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C19H17F3N6OS
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