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system
Name the molecular formula for the molecule established as 2-(9H-fluoren-2-yl)-4-phenyl-6-spiro[fluorene-9,14'-tetracyclo[13.4.0.02,7.08,13]nonadeca-1(19),2,4,6,8(13),9,11,15,17-nonaene]-11'-ylpyrimidine using the IUPAC nomenclature.
user
C54H34N2
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