label: 2-(6-(11C)methyl-3,6-diazabicyclo(3.2.0)heptan-3-yl)-7-(6-methyl-3,6-diazabicyclo(3.2.0)heptan-3-yl)-9H-fluoren-9-one
label_lc: 2-(6-(11c)methyl-3,6-diazabicyclo(3.2.0)heptan-3-yl)-7-(6-methyl-3,6-diazabicyclo(3.2.0)heptan-3-yl)-9h-fluoren-9-one