You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-(4-methoxyphenyl)-2-methyl-5-[5-(piperidine-1-carbonyl)-1,3,4-oxadiazol-2-yl]thiophene-3-sulfonamide into molecular formula.
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C20H22N4O5S2
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