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system
Can you give the molecular formula of the molecule 4,11,18-triphenyl-1-azapentacyclo[11.7.1.03,8.09,21.014,19]henicosa-3(8),4,6,9,11,13(21),14(19),15,17-nonaene-2,20-dione ?
user
C38H23NO2
assistant