You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 6-(2-ethyl-5-fluoro-4-hydroxyphenyl)-N-methyl-4-[[2-[methyl(methylsulfonyl)amino]phenyl]methylamino]-1H-pyrazolo[4,3-c]pyridine-3-carboxamide into molecular formula.
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C25H27FN6O4S
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