You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 4-[(2R)-2-hydroxy-2-(4-methyl-1-oxo-3H-2-benzofuran-5-yl)ethyl]-1-(6-isocyano-1,3-benzothiazol-2-yl)piperazin-2-one into its molecular formula.
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C23H20N4O4S
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