You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named (3R)-1-(2,6-dimethylphenyl)-3-[4-(2,3,5,6-tetramethylphenyl)sulfonylpiperazin-1-yl]pyrrolidine-2,5-dione is given. What is its corresponding molecular formula?
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C26H33N3O4S
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