label: N,N'-bis(2-((1-amino-9-oxo-9,10-dihydroacridine-4-carbonyl)amino)ethyl)-N,N'-dimethylpropylenediamine
label_lc: n,n'-bis(2-((1-amino-9-oxo-9,10-dihydroacridine-4-carbonyl)amino)ethyl)-n,n'-dimethylpropylenediamine