You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-[2-ethoxy-6-iodo-4-[(Z)-(3-methyl-4-oxo-2-sulfanylidene-1,3-thiazolidin-5-ylidene)methyl]phenoxy]-N-(4-ethylphenyl)acetamide into its molecular formula.
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C23H23IN2O4S2
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