You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 3-ethoxy-5-[6-[2-(7-fluoro-3-methoxy-2-methylindol-1-yl)ethylamino]pyrimidin-4-yl]-N'-hydroxythiophene-2-carboximidamide by IUPAC nomenclature, provide its molecular formula.
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C23H25FN6O3S
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