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system
Provide the molecular formula for the IUPAC named substance (14R,17S)-14-benzyl-20-methyl-8-(1-methylbenzimidazole-5-carbonyl)-17-propan-2-yl-1,4,8,13,16,19,21-heptazabicyclo[16.3.0]henicosa-18,20-diene-3,12,15-trione .
user
C34H43N9O4
assistant