You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name 3-naphthalen-1-yl-2,6-dioxo-5-[2-(trimethylazaniumyl)ethyliminomethyl]pyrimidin-4-olate;hydroiodide into its molecular formula.
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C20H23IN4O3
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