label: cis-((7-(6-chloro-9H-purin-9-yl)methyl)-2,3-diphenyl-6,7-dihydro-5H-cyclopenta(b)pyrazin-5-yl)methanol
label_lc: cis-((7-(6-chloro-9h-purin-9-yl)methyl)-2,3-diphenyl-6,7-dihydro-5h-cyclopenta(b)pyrazin-5-yl)methanol