(S)-N-(((6S,7R,9R,14aS,15R)-7-cyano-1-hydroxy-2,11-dimethoxy-3,12,16-trimethyl-10,13-dioxo-6,7,9,10,13,14,14a,15-octahydro-5H-6,15-epiminobenzo[4,5]azocino[1,2-b]isoquinolin-9-yl)methyl)-2-(3-phenylureido)propanamide