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system
Provide the molecular formula for the IUPAC named substance 9,14-dibromo-13-chloro-2-(1-methylpiperidin-4-yl)-4-azatricyclo[9.4.0.03,8]pentadeca-1(15),3(8),4,6,9,11,13-heptaene .
user
C20H19Br2ClN2
assistant