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Under IUPAC nomenclature, a molecule named S-[[2-(7-chloro-5-methylpyrrolo[2,1-f][1,2,4]triazin-4-yl)-2-azaspiro[3.3]heptan-6-yl]-[2-(trifluoromethoxy)ethyl]amino]thiohydroxylamine is given. What is its corresponding molecular formula?
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C16H20ClF3N6OS
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