You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 2,5-dimethoxy-N-(3-oxo-3-piperazin-1-ylpropyl)-N-[3-(2-oxopyrrolidin-1-yl)propyl]benzenesulfonamide into molecular formula.
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C22H34N4O6S
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