You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name N,2,5-trimethyl-N-[2-[5-[(2-methylphenoxy)methyl]-1,2,4-oxadiazol-3-yl]ethyl]benzenesulfonamide into its molecular formula.
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C21H25N3O4S
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