You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name ethyl (2E,5R)-5-(4-chlorophenyl)-3-oxo-7-phenyl-2-[(4-pyrrolidin-1-ylphenyl)methylidene]-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate into its molecular formula.
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C32H28ClN3O3S
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