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What is the molecular formula of the compound with this IUPAC name 2-(6-tert-butyl-2-oxo-10-thia-1,5,6,8-tetrazatricyclo[7.3.0.03,7]dodeca-3(7),4,8-trien-12-yl)-N-(4-chloro-3-nitrophenyl)acetamide ?
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C19H19ClN6O4S
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