label: 3-(2-(4-aminophenyl)ethyl)-8-benzyl-7-(2-ethyl(2-hydroxyethyl)aminoethyl)-1-propyl-3,7-dihydropurine-2,6-dione
label_lc: 3-(2-(4-aminophenyl)ethyl)-8-benzyl-7-(2-ethyl(2-hydroxyethyl)aminoethyl)-1-propyl-3,7-dihydropurine-2,6-dione