IUPAC: (4S)-5-[(2S)-2-{[(2S)-1-[(2S)-2-[({[(1S)-1-{[(1S)-1-{[(1S)-1-{[(1S)-1-[({[(1S)-1-{[(1S)-1-{[(1S)-1-{[(1S)-1-{[(1S)-5-amino-1-{[(1S)-3-carbamoyl-1-{[(1S)-1-{[(1S)-3-carbamoyl-1-carboxypropyl]carbamoyl}-3-methylbutyl]carbamoyl}propyl]carbamoyl}pentyl]carbamoyl}-3-carbamoylpropyl]carbamoyl}-3-carboxypropyl]carbamoyl}-3-(methylsulfanyl)propyl]carbamoyl}-3-carboxypropyl]carbamoyl}methyl)carbamoyl]ethyl]carbamoyl}-3-carboxypropyl]carbamoyl}-3-carboxypropyl]carbamoyl}-3-(methylsulfanyl)propyl]carbamoyl}methyl)carbamoyl]pyrrolidin-1-yl]-4-carboxy-1-oxobutan-2-yl]carbamoyl}pyrrolidin-1-yl]-4-[(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-{[(2S)-1-[(2S)-2-amino-4-(methylsulfanyl)butanoyl]pyrrolidin-2-yl]formamido}-5-carbamimidamidopentanamido]-3-methylbutanamido]-5-carbamimidamidopentanamido]-3-hydroxypropanamido]-4-methylpentanamido]-3-phenylpropanamido]-4-carbamoylbutanamido]-4-carboxybutanamido]-4-carbamoylbutanamido]-4-carboxybutanamido]-5-oxopentanoic acid

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