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 azetidin-1-yl-[2-methyl-5-[2-[(2-methylpyrimidin-4-yl)amino]pyridin-4-yl]pyridin-3-yl]methanone;thiohypoiodous acid into molecular formula.
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C20H21IN6OS
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