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 2-[4-(2-hydroxyethoxy)butoxy]ethanol;2-[2-(2-hydroxyethoxy)propoxy]ethanol;2-[4-(2-hydroxypropoxy)butoxy]propan-1-ol;2-[2-(2-hydroxypropoxy)ethoxy]propan-1-ol is given. What is its corresponding molecular formula?
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C33H74O16
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