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system
Name the molecular formula for the molecule established as (25Z,27E)-12,27-di(carbazol-9-yl)-29-methylidene-8,15,23,30-tetrazahexacyclo[21.7.0.02,7.08,16.09,14.017,22]triaconta-1(30),2,4,6,9(14),10,12,15,17,19,21,25,27-tridecaene using the IUPAC nomenclature.
user
C51H34N6
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