3-[[6-(2-amino-2-oxoethyl)-15-(3-amino-3-oxopropyl)-12-benzyl-9-(1-hydroxyethyl)-16,19-dimethyl-2,5,8,11,14,17-hexaoxo-1-oxa-4,7,10,13,16-pentazacyclononadec-18-yl]amino]-2-[[2-[[2-[[5-[[1-[3-(4-bromophenyl)-2-(2-formamidopropanoylamino)propanoyl]pyrrolidine-2-carbonyl]amino]-2-tert-butyl-6-methyl-4-oxoheptanoyl]amino]-3-(1H-indol-3-yl)propanoyl]amino]-5-carbamimidamidopentanoyl]amino]-3-oxopropane-1-sulfonic acid