You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 1-[4-(4-chlorophenyl)-1,1,3,4,4-pentadeuterio-2-(2,6-dichlorophenyl)sulfanylbutyl]imidazole is given. What is its corresponding molecular formula?
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C19H17Cl3N2S
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