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 5-chloro-2-(1,4-dioxan-2-ylmethylsulfanyl)-1-(2-methoxyethyl)benzimidazole is given. What is its corresponding molecular formula?
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C15H19ClN2O3S
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