You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 4,11-dibromo-8-(2-tetradecyloctadecyl)-3,7lambda6,12-trithia-8-azatricyclo[7.3.0.02,6]dodeca-1(9),2(6),4,10-tetraene 7,7-dioxide by IUPAC nomenclature, provide its molecular formula.
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C40H67Br2NO2S3
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