You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 4-[4-(4-tert-butylpiperazin-1-yl)-2-chlorophenyl]sulfonyl-N-(1-cyanocyclopropyl)-1-[5-methyl-2-(2-phenylethyl)pyrazol-3-yl]pyrrolidine-2-carboxamide by IUPAC nomenclature, provide its molecular formula.
user
C35H44ClN7O3S
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