You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 2-(3-ethylsulfonyl-6-iodoimidazo[1,2-a]pyridin-2-yl)-6-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine into molecular formula.
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C16H11F3IN5O2S
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