2-[(3S,6S,9S,12S,16Z,21S)-12-[[(2S)-2-[[(2S)-1-[(2S)-2-[[(2S)-2-[[(2S)-2-acetamido-5-(diaminomethylideneamino)pentanoyl]amino]-5-(diaminomethylideneamino)pentanoyl]amino]-3-(1H-indol-3-yl)propanoyl]pyrrolidine-2-carbonyl]amino]-5-amino-5-oxopentanoyl]amino]-21-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-amino-5-(diaminomethylideneamino)-1-oxopentan-2-yl]amino]-3-(1H-indol-3-yl)-1-oxopropan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]amino]-5-(diaminomethylideneamino)-1-oxopentan-2-yl]amino]-5-(diaminomethylideneamino)-1-oxopentan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]amino]-3-(1H-imidazol-5-yl)-1-oxopropan-2-yl]carbamoyl]-9-[(2S)-butan-2-yl]-12,21-dimethyl-6-(2-methylpropyl)-2,5,8,11-tetraoxo-1,4,7,10-tetrazacyclohenicos-16-en-3-yl]acetic acid