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 5-[(2-ethoxyphenyl)methylidene]-3-(piperidin-1-ylmethyl)-1,3-thiazolidine-2,4-dione is given. What is its corresponding molecular formula?
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C18H22N2O3S
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