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-(3,5-dimethylpiperidin-1-yl)-2-(4-fluorophenyl)-6-nitroisoindole-1,3-dione is given. What is its corresponding molecular formula?
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C21H20FN3O4
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