You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[3-[1-(1H-indol-3-ylmethyl)pyrrolidin-3-yl]phenyl]-1,2-thiazole-4-sulfonamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H22N4O2S2
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