(3S)-3-[(2S)-2-[(2S)-2-{2-[(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-4-methylpentanamido]-3-carboxypropanamido]-3-carboxypropanamido]-3-carboxypropanamido]-3-carboxypropanamido]-3-carboxypropanamido]propanamido]-3-(4-hydroxyphenyl)propanamido]acetamido}-3-(1H-indol-3-yl)propanamido]-4-methylpentanamido]-3-{[(1S)-1-carbamoyl-2-phenylethyl]carbamoyl}propanoic acid