You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 2-[4-[3-[5-methylsulfonyl-3-[4-(trifluoromethyl)phenyl]-6,7-dihydro-4H-pyrazolo[4,3-c]pyridin-1-yl]propyl]piperazin-1-yl]benzonitrile into molecular formula.
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C28H31F3N6O2S
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