(3S)-3-[[(2S)-5-amino-2-[[(2S)-2-[[(1R,4S,7S,10S,13S,16S,19S,22S,25R,28S,31R,36R,39S,42S,45S)-31-amino-22-(4-aminobutyl)-42-(2-amino-2-oxoethyl)-39-benzyl-4,7-bis(2-carboxyethyl)-10,19-bis(carboxymethyl)-13,28-bis[(1R)-1-hydroxyethyl]-45-(2-methylpropyl)-16-(2-methylsulfanylethyl)-3,6,9,12,15,18,21,24,27,30,38,41,44,47-tetradecaoxo-33,34,49,50-tetrathia-2,5,8,11,14,17,20,23,26,29,37,40,43,46-tetradecazabicyclo[23.22.4]henpentacontane-36-carbonyl]amino]-3-(1H-imidazol-5-yl)propanoyl]amino]-5-oxopentanoyl]amino]-4-[[(2S)-1-[[(2S,3S)-1-[[(1S)-1-carboxy-2-(1H-indol-3-yl)ethyl]amino]-3-methyl-1-oxopentan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]amino]-4-oxobutanoic acid