IUPAC: (4S)-4-{[(1S)-1-{[(1S)-1-{[(1S)-5-amino-1-{[(1S)-1-{[(1S)-1-{[(1S)-1-{[(2S)-1-[(2S)-2-{[(1S)-1-carboxyethyl]carbamoyl}pyrrolidin-1-yl]-1-oxopropan-2-yl]carbamoyl}ethyl]carbamoyl}ethyl]carbamoyl}ethyl]carbamoyl}pentyl]carbamoyl}-2-(4-hydroxyphenyl)ethyl]carbamoyl}ethyl]carbamoyl}-4-[(2S)-2-[(2S)-6-amino-2-{[(2S)-1-[(2S)-6-amino-2-[(2S)-2-amino-4-carboxybutanamido]hexanoyl]pyrrolidin-2-yl]formamido}hexanamido]-3-methylbutanamido]butanoic acid

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