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-[2-[(5Z)-5-[(4-chloro-3-nitrophenyl)methylidene]-2,4-dioxo-1,3-thiazolidin-3-yl]ethyl]-2-(4-ethylphenoxy)acetamide is given. What is its corresponding molecular formula?
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C22H20ClN3O6S
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