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system
What is the molecular formula of the molecule 7lambda3-ioda-9-azanidahexacyclo[10.10.1.02,10.03,8.013,18.019,23]tricosa-1(23),2(10),3(8),4,6,11,13,15,17,19,21-undecaene ?
user
C21H11IN-
assistant