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-(4-nitrophenyl)sulfonyl-1,3-thiazol-2-yl]amino]-2-oxoethyl] 4-tert-butylbenzoate into molecular formula.
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C22H21N3O7S2
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