You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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ethyl 4-[[3-(3,4-dimethylphenyl)-7-oxo-6-phenyl-2-sulfanylidene-[1,3]thiazolo[4,5-d]pyrimidin-5-yl]sulfanyl]-3-oxobutanoate is the IUPAC name of a molecule. Please give its molecular formula.
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C25H23N3O4S3
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