benzyl (2S,9S,9aR)-9-(((7S,7aS)-5,13-dioxo-5,6,7,7a,8,13-hexahydrobenzo[6,7][1,4]diazepino[2,1-b]quinazolin-7-yl)methyl)-9-hydroxy-2-isobutyl-3-oxo-2,3,9,9a-tetrahydro-1H-imidazo[1,2-a]indole-1-carboxylate