label: 4,4'-(9,9-di(2,5,8,11,14,17,20,23,26,29-decaoxahentriacontan-31-yl)-9H-fluorene-2,7-diyl)bis(ethyne-2,1-diyl)bis(N,N-dimethylaniline)
label_lc: 4,4'-(9,9-di(2,5,8,11,14,17,20,23,26,29-decaoxahentriacontan-31-yl)-9h-fluorene-2,7-diyl)bis(ethyne-2,1-diyl)bis(n,n-dimethylaniline)