You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 4-[[2-[(1-hydroxy-4-methylpentan-2-yl)amino]-1,3-benzothiazol-6-yl]oxy]-N-methylpyridine-2-carboxamide into molecular formula.
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C20H24N4O3S
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