(4S)-4-[[(2S)-2-amino-3-methylbutanoyl]amino]-5-[(2S)-2-[[(2S,3S)-1-[(2S)-2-[[(1S)-1-carboxy-2-(4-hydroxyphenyl)ethyl]carbamoyl]pyrrolidin-1-yl]-3-methyl-1-oxopentan-2-yl]carbamoyl]pyrrolidin-1-yl]-5-oxopentanoic acid