You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named ethyl 2-[2,6-diiodo-4-[(E)-(1-methyl-4,6-dioxo-2-sulfanylidene-1,3-diazinan-5-ylidene)methyl]phenoxy]acetate by IUPAC nomenclature, provide its molecular formula.
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C16H14I2N2O5S
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