You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-ethyl-4-[(5-ethyl-1,2,4-oxadiazol-3-yl)methyl]-6-methyl-3-oxo-N-phenyl-1,4-benzoxazine-7-sulfonamide into its molecular formula.
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C22H24N4O5S
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