3-[(17Z)-7-[[6-[[2-[(6-amino-2-methyl-5-oxo-1,4-thiazepane-3-carbonyl)amino]-3-phenylpropanoyl]amino]-7-methyl-3-(2-methylpropyl)-2,5,12,15,18,21,24,27-octaoxo-13-propan-2-yl-8-thia-1,4,11,14,17,20,23,26-octazabicyclo[26.3.0]hentriacontane-10-carbonyl]amino]-14-butan-2-yl-8,20-dimethyl-23-methylidene-4-(2-methylpropyl)-3,6,12,15,21,24,27-heptaoxo-9,19-dithia-2,5,13,16,22,25,28-heptazabicyclo[9.9.8]octacos-17-en-26-yl]propanoic acid