(2S)-4-amino-2-[[(2S,3S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-4-amino-2-[[(2S)-2-[[(2S,3S)-2-[[(2S)-2-[[(2S)-2-[[(2R)-2-[[(2S)-2-[[(2R)-2-amino-3-sulfanylpropanoyl]amino]-6-[[(2R,3R)-3-methyl-3,4-dihydro-2H-pyrrole-2-carbonyl]amino]hexanoyl]amino]-3-sulfanylpropanoyl]amino]-3-(1H-imidazol-5-yl)propanoyl]amino]-4-methylpentanoyl]amino]-3-methylpentanoyl]amino]-6-[[(2R,3R)-3-methyl-3,4-dihydro-2H-pyrrole-2-carbonyl]amino]hexanoyl]amino]-4-oxobutanoyl]amino]-6-[[(2R,3R)-3-methyl-3,4-dihydro-2H-pyrrole-2-carbonyl]amino]hexanoyl]amino]-4-methylpentanoyl]amino]-3-methylpentanoyl]amino]-4-oxobutanoic acid