You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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2-methyl-1-(2-phenylethyl)-5-(2-pyridin-4-yl-1,3-thiazol-4-yl)pyrrole-3-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
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C22H20N4OS
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