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system
Translate the chemical IUPAC name 20,31-dimethyl-2,9-diaza-20,31-diazoniaheptacyclo[28.10.2.210,13.012,21.014,19.032,37.038,42]tetratetraconta-1(41),10,12,14,16,18,20,30,32,34,36,38(42),39,43-tetradecaen-4,6-diyne into its molecular formula.
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C42H42N4+2
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