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 6-(3,4-dimethoxyphenyl)-7-[4-(4-propan-2-ylphenyl)sulfonylpiperazin-1-yl]-[1,2,4]triazolo[1,5-a]pyrimidine is given. What is its corresponding molecular formula?
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C26H30N6O4S
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