2,2',2''-(10-((S)-18-(4-Chlorophenyl)-19-(4-((5R,7R)-7-hydroxy-5-methyl-6,7-dihydro-5H-cyclopenta[d]pyrimidin-4-yl)piperazin-1-yl)-16-isopropyl-2,12,19-trioxo-6,9-dioxa-3,13,16-triazanonadecyl)-1,4,7