You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name ethane;3-ethyl-5-(3-methylpyridin-2-yl)-1,4-benzothiazepine;1-(2-methoxyethylamino)pent-4-en-2-one into its molecular formula.
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C29H43N3O2S
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