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 4-(2,4-dichlorophenoxy)-N-[4-(hydroxymethyl)-1-bicyclo[2.2.2]octanyl]butanamide is given. What is its corresponding molecular formula?
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C19H25Cl2NO3
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