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system
Name the molecular formula for the molecule established as 3'-[[2-[(1Z)-buta-1,3-dienyl]-3-[4-[spiro[1-azapentacyclo[10.7.1.02,7.08,20.014,19]icosa-2,4,6,8(20),9,11,14,16,18-nonaene-13,9'-fluorene]-10-yl(9,9'-spirobi[fluorene]-2-yl)amino]phenyl]phenyl]methyl]-N-naphthalen-1-yl-N-(9,9'-spirobi[fluorene]-2-yl)spiro[1-azapentacyclo[10.7.1.02,7.08,20.014,19]icosa-2,4,6,8(20),9,11,14,16,18-nonaene-13,9'-fluorene]-10-amine using the IUPAC nomenclature.
user
C139H86N4
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