(2S)-2-[[(2S)-2-[[(2S)-4-amino-2-[[(2S)-2-[[(2S)-1-[(2S,3R)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-1-[(2S,3S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[2-[[2-[[2-[[(2S)-2-[[(2S)-2-amino-3-methyl-butanoyl]amino]-4-methyl-pentanoyl]amino]acetyl]amino]acetyl]amino]acetyl]amino]-3-methyl-butanoyl]amino]propanoyl]amino]-4-methyl-pentanoyl]amino]-4-methyl-pentanoyl]amino]-5-guanidino-pentanoyl]amino]-3-methyl-butanoyl]amino]-3-methyl-pentanoyl]pyrrolidine-2-carbonyl]amino]propanoyl]amino]-4-methyl-pentanoyl]amino]-3-carboxy-propanoyl]amino]-3-hydroxy-propanoyl]amino]-4-methyl-pentanoyl]amino]-3-hydroxy-butanoyl]pyrrolidine-2-carbonyl]amino]propanoyl]amino]-4-oxo-butanoyl]amino]-4-carboxy-butanoyl]amino]butanedioic acid