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Under IUPAC nomenclature, a molecule named ethyl (2Z,5R)-2-[(3-iodo-5-methoxy-4-prop-2-ynoxyphenyl)methylidene]-5-(4-methoxyphenyl)-3-oxo-7-phenyl-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate is given. What is its corresponding molecular formula?
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C33H27IN2O6S
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