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 N-[3-[3-(4-ethylphenyl)-4-oxo-1,3-thiazolidin-2-yl]phenyl]furan-2-carboxamide is given. What is its corresponding molecular formula?
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C22H20N2O3S
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