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 hexachloroantimony(1-);(2,4,6-trichlorophenyl)-[2-(2,2,3-trimethyl-3-phenylaziridin-1-ium-1-yl)propan-2-yl]diazene into its molecular formula.
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C20H23Cl9N3Sb
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