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 (2Z,5S)-2-[(3-ethoxy-4-hydroxy-5-iodophenyl)methylidene]-7-methyl-5-(4-methylsulfanylphenyl)-3-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate by IUPAC nomenclature, provide its molecular formula.
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C26H25IN2O5S2
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