(2S)-2-[[(2S,3S)-2-[[(2S)-2-[[(2S)-1-[(2S)-2-[[(2S)-2-[[(2S)-1-[(2S)-6-amino-2-[[6-(carbamothioylamino)-3',6'-dihydroxyspiro[1H-2-benzofuran-3,9'-4a,9a-dihydroxanthene]-1-carbonyl]amino]hexanoyl]pyrrolidine-2-carbonyl]amino]-2-(4-carbamimidoylcyclohexyl)acetyl]amino]-5-(diaminomethylideneamino)pentanoyl]pyrrolidine-2-carbonyl]amino]-3-(4-hydroxyphenyl)propanoyl]amino]-3-methylpentanoyl]amino]-4-methylpentanoic acid