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system
Provide the molecular formula for the IUPAC named substance carbanide;4,4'-diphenyl-2,2'-spirobi[3,4-dihydrochromene];ethane;1,1,1',1',5,5'-hexamethyl-3,3'-spirobi[2H-indene];methane;toluene;yttrium .
user
C78H106O2Y-2
assistant