(4S)-5-{[(2S,8S,11S,14S,17S,20S)-17-(3H-imidazol-4-ylmethyl)-1-[(2S)-2-[(3S,6S,9R,13S,19S,25S,26R)-25-{[(2S)-2-carbamoylpyrrolidin-1-yl]carbonyl}-3-(3-{[amino(azanylidene)methyl]amino}propyl)-9-carbamoyl-26-hydroxy-6,13-bis[(1R)-1-hydroxyethyl]-19-(hydroxymethyl)-1,4,7,11,14,17,20,23-octaoxo-2,5,8,12,15,18,21,24-octazaheptacos-1-yl]pyrrolidin-1-yl]-14-(4-aminobutyl)-8-(2-carbamoylethyl)-5-[(1R)-1-hydroxyethyl]-2-[(4-hydroxyphenyl)methyl]-22-methyl-11-(2-methylpropyl)-1,4,7,10,13,16,19-heptaoxo-3,6,9,12,15,18-hexazatricos-20-yl]amino}-4-{[(3S,6S,12S,15S,18S,21S)-1-[(7S,10S,13S,16S,19S,22R)-19-(acetoxymethyl)-22-amino-16-carbamoyl-7-[(1R)-1-hydroxyethyl]-10-(hydroxymethyl)-13-(2-methylpropyl)-6,9,12,15,18,21-hexaoxo-1,2-dithia-5,8,11,14,17,20-hexazacyclotricosan-4-yl]-12-(4-aminobutyl)-21-(2-carbamoylethyl)-18-(hydroxymethyl)-6,15-bis(2-methylpropyl)-1,4,7,10,13,16,19,22-octaoxo-3-(prop-2-yl)-2,5,8,11,14,17,20-heptazadocos-22-yl]amino}-5-oxopentanoic acid