You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named [2-ethoxy-4-[(Z)-[(5R)-5-(4-ethoxyphenyl)-7-methyl-3-oxo-6-(phenylcarbamoyl)-5H-[1,3]thiazolo[3,2-a]pyrimidin-2-ylidene]methyl]phenyl] acetate is given. What is its corresponding molecular formula?
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C33H31N3O6S
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