(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S)-4-amino-2-[[(2S)-2-[[(2S)-2-[[2-[[(2S)-2-[[(2S)-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-amino-3-carboxypropanoyl]amino]propanoyl]amino]-3-(1H-imidazol-5-yl)propanoyl]amino]hexanoyl]amino]-3-hydroxypropanoyl]amino]-4-carboxybutanoyl]amino]-3-methylbutanoyl]amino]propanoyl]amino]-3-(1H-imidazol-5-yl)propanoyl]amino]-5-carbamimidamidopentanoyl]amino]-3-phenylpropanoyl]amino]hexanoyl]amino]-3-carboxypropanoyl]amino]-4-methylpentanoyl]amino]acetyl]amino]-4-carboxybutanoyl]amino]-4-carboxybutanoyl]amino]-4-oxobutanoyl]amino]-3-phenylpropanoyl]amino]hexanoyl]amino]propanoyl]amino]-4-methylpentanoyl]amino]-3-methylbutanoyl]amino]-4-methylpentanoic acid