label: 9-ethyl-6,6-dimethyl-8-(4-oxetan-3-ylpiperazin-1-yl)-11-oxo-6,11-dihydro-5H-benzo(b)carbazole-3-carbonitrile
label_lc: 9-ethyl-6,6-dimethyl-8-(4-oxetan-3-ylpiperazin-1-yl)-11-oxo-6,11-dihydro-5h-benzo(b)carbazole-3-carbonitrile