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system
Translate the chemical IUPAC name 4,11-dibromo-8-methyl-3,7lambda6,12-trithia-8-azatricyclo[7.3.0.02,6]dodeca-1(9),2(6),4,10-tetraene 7,7-dioxide into its molecular formula.
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C9H5Br2NO2S3
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