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system
Name the molecular formula for the molecule established as ethyl 4-[[2-[3-[(8S)-11-(4-nitrophenyl)-5,10,12-trioxo-2,6-dithia-4,11-diazatricyclo[7.3.0.03,7]dodec-3(7)-en-8-yl]phenoxy]acetyl]amino]benzoate using the IUPAC nomenclature.
user
C31H24N4O9S2
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