N-[(2S,8S,11S)-11-[(3S)-3-{[(2S)-2-({[(2S)-1-[(6S)-1-[(2S)-1-{[(2S)-1-{[(2S)-1-[(2S)-2-[(2-aminoacetyl)amino]-4-carboxy-1-oxobutyl]pyrrolidin-2-yl]carbonyl}pyrrolidin-2-yl]carbonyl}pyrrolidin-2-yl]-6-(4-aminobutyl)-1,4,7-trioxo-2,5-diazahept-7-yl]pyrrolidin-2-yl]carbonyl}amino)propanoyl]amino}-2,5-dioxopyrrolidin-1-yl]-12-carboxy-8-methyl-2-(2-methylpropyl)-1,4,7,10-tetraoxo-3,6,9-triazadodec-1-yl]-L-valine