You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 16,18-dimethyl-10-azoniapentacyclo[11.8.0.02,10.03,8.014,19]henicosa-1(13),2(10),3(8),4,6,11,14,16,18,20-decaene-6-carbonitrile into molecular formula.
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C23H17N2+
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