You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 3-[(2E,4E)-6-(2,3-dihydroxypropoxy)-2,3,4,5-tetraiodohexa-2,4-dienoxy]propane-1,2-diol into molecular formula.
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C12H18I4O6
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