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-(4-chloro-3-methylphenoxy)-N-methyl-N-[2-oxo-2-(2,4,6-trimethylanilino)ethyl]butanamide is given. What is its corresponding molecular formula?
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C23H29ClN2O3
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