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system
What is the molecular formula of the molecule 1,4,5-trimethyl-2-(6-methyl-9,20-dioxapentacyclo[11.7.0.02,10.03,8.014,19]icosa-1(13),2(10),3(8),4,6,11,14,16,18-nonaen-7-yl)pyridin-1-ium ?
user
C27H22NO2+
assistant