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 (5Z)-5-[[5-(4-aminophenyl)furan-2-yl]methylidene]-3-(2-bicyclo[2.2.1]heptanyl)-2-sulfanylidene-1,3-thiazolidin-4-one is given. What is its corresponding molecular formula?
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C21H20N2O2S2
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