N-{[(4R,7S,10S,13S,16S,19S,22R)-22-Amino-7-(1-hydroxyethyl)-10,16-bis(hydroxymethyl)-13-isobutyl-19-methyl-6,9,12,15,18,21-hexaoxo-1,2-dithia-5,8,11,14,17,20-hexaazacyclotricosan-4-yl]carbonyl}-L-valy