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 5-chloro-N-(5-ethylsulfanyl-1,3,4-thiadiazol-2-yl)-2-ethylsulfonylpyrimidine-4-carboxamide into molecular formula.
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C11H12ClN5O3S3
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