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