(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S,3S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-amino-1-hydroxy-3-phenylpropylidene]amino]-1-hydroxy-3-methylbutylidene]amino]-1-hydroxy-3-phenylpropylidene]amino]-1-hydroxy-3-methylpentylidene]amino]-1-hydroxy-3-phenylpropylidene]amino]-1,3-dihydroxybutylidene]amino]-1-hydroxy-3-(4-hydroxyphenyl)propylidene]amino]-1-hydroxyethylidene]amino]-4-carboxy-1-hydroxybutylidene]amino]-1-hydroxy-4-methylpentylidene]amino]-1,5-dihydroxy-5-iminopentylidene]amino]-5-carbamimidamido-1-hydroxypentylidene]amino]-1-hydroxy-4-methylpentylidene]amino]-5-hydroxy-5-iminopentanoic acid