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Under IUPAC nomenclature, a molecule named N-[4-[2-[4-[(Z)-(5-imino-7-oxo-[1,3]thiazolo[3,2-a]pyrimidin-6-ylidene)methyl]phenoxy]ethoxy]phenyl]acetamide is given. What is its corresponding molecular formula?
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C23H20N4O4S
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