You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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4-[hydroxy(phenyl)methyl]-N-[(2-methoxypyridin-4-yl)methyl]-N,5-dimethylthieno[2,3-d]pyrimidine-6-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
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C23H22N4O3S
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