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 (5S)-5-[3-chloro-4-[(2-cyanophenyl)methoxy]-5-methoxyphenyl]-7-methyl-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate by IUPAC nomenclature, provide its molecular formula.
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C25H22ClN3O4S
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