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What is the molecular formula of the compound with this IUPAC name (8S)-8-(3-bromophenyl)-11-(4-nitrophenyl)-4-(2-oxo-2-piperidin-1-ylethyl)-2,6-dithia-4,11-diazatricyclo[7.3.0.03,7]dodec-3(7)-ene-5,10,12-trione ?
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C27H23BrN4O6S2
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