You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name 3-[2-(3,4-dimethoxyphenyl)ethyl]-5-(pyridin-3-ylmethyl)-1,3,5-thiadiazinane-2-thione into its molecular formula.
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C19H23N3O2S2
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