You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 4-[[4-chloro-2-[2-(diethylamino)ethylamino]phenyl]methylamino]-N-(1,2,4-thiadiazol-5-yl)indazole-1-sulfonamide into molecular formula.
user
C22H27ClN8O2S2
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