(1S,3S)-3-[[(2S)-3-Methyl-2-[[methyl-[[2-(1-methylethyl)thiazol-4-yl]methyl]carbamoyl]amino]-butanoyl]amino]-4-phenyl-1-[(1S)-2-phenyl-1-[[(thiazol-5-ylmethoxy)carbonyl]amino]ethyl]butyl-(2S)-3-methyl-2-[[methyl-[[2-(1-methylethyl)thiazol-4-yl]methyl]carbamoyl]amino]butanoate