You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named N-[(2S)-butan-2-yl]-1-[7-(3-methylphenyl)-4-oxo-3H-thieno[3,2-d]pyrimidin-2-yl]piperidine-4-carboxamide is given. What is its corresponding molecular formula?
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C23H28N4O2S
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