You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule ethyl (2Z,5S)-2-[[3-[(2-chlorophenyl)methoxy]phenyl]methylidene]-7-methyl-5-(4-methylsulfanylphenyl)-3-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate into molecular formula.
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C31H27ClN2O4S2
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