(2S)-2-{[(2S)-1-[(2S)-2-[(2S,3S)-2-[(2S)-2-[(2S)-2-[(2S)-5-carbamimidamido-2-[2-(methylamino)acetamido]pentanamido]-3-methylbutanamido]-3-(4-hydroxyphenyl)propanamido]-3-methylpentanamido]-3-(1H-imidazol-4-yl)propanoyl]pyrrolidin-2-yl]formamido}propanoic acid