N-[(2S,5S,8S,11S,14S,17S,23S,29S)-30-(1H-imidazol-4-yl)-29-amino-14-benzyl-23-(2-carboxyethyl)-5-(carboxymethyl)-11,17-bis[(1R)-1-hydroxyethyl]-8-(hydroxymethyl)-26,26-dimethyl-1,4,7,10,13,16,19,22,25,28-decaoxo-2-(prop-2-yl)-3,6,9,12,15,18,21,24,27-nonazatriacont-1-yl]-L-serine