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-[(5-chloro-2-hydroxy-3-iodophenyl)methylidene]-3-(3-chlorophenyl)imidazolidine-2,4-dione is given. What is its corresponding molecular formula?
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C16H9Cl2IN2O3
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