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-[1,3-benzothiazol-2-yl(ethyl)amino]-2-oxoethyl] 3-(3-methyl-2-oxobenzimidazol-1-yl)propanoate into molecular formula.
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C22H22N4O4S
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