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 methyl 2,5-dimethyl-4-[4-(3-methyl-5-propan-2-yl-1,2-oxazole-4-carbonyl)piperazin-1-yl]sulfonylfuran-3-carboxylate is given. What is its corresponding molecular formula?
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C20H27N3O7S
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