(2S)-2-[(2S)-2-{2-[(2S)-2-[(2S)-5-carbamimidamido-2-[(2S)-4-carbamoyl-2-{[(2S)-5-oxopyrrolidin-2-yl]formamido}butanamido]pentanamido]-4-methylpentanamido]acetamido}-3-carbamoylpropanamido]-N-[(1S)-1-{[(1S)-1-{[(1S)-1-[({[(1S)-1-{[(1S)-1-{[(1S)-1-carbamoyl-3-(methylsulfanyl)propyl]carbamoyl}-3-methylbutyl]carbamoyl}-2-(1H-imidazol-5-yl)ethyl]carbamoyl}methyl)carbamoyl]-2-methylpropyl]carbamoyl}ethyl]carbamoyl}-2-(1H-indol-2-yl)ethyl]pentanediamide