You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (3S)-3-[4-(2-chlorophenyl)piperazin-1-yl]-1-(2,6-dimethylphenyl)pyrrolidine-2,5-dione into its molecular formula.
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C22H24ClN3O2
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