2-{2-[24-({3-[(6-Amino-2-{[2-({[24-{[2-({2-[(aminoacetyl)amino]-3-carboxypropanoyl}amino)-4-methylpentanoyl]amino}-6,9,12-triisobutyl-18-methyl-15,21-bis(methylene)-5,8,11,14,17,20,23-heptaoxo-1-thia- 4,7,10,13,16,19,22-heptaazacyclopentacosan-3-yl]carbonyl}amino)-3-carboxypropanoyl]amino}hexanoyl)amino]-2-oxo-4-phenylbutanoyl}amino)-18-benzyl-12-(1-hydroxyethyl)-6,9-diisobutyl-21-methyl-15-methyle ne-8,11,14,17,20,23-hexaoxo-1-thia-4,7,10,13,16,19,22-heptaazacyclopentacosan-3-yl]-2-oxoethyl}-4-methylpentanoic acid (non-preferred name)