(2S)-2-[[4-[(2-butyl-4-oxo-3H-pteridin-6-yl)methylamino]benzoyl]amino]-5-[[1-[[(2S)-5-carbamimidamido-1-[[(2S)-3-carboxy-1-[[(1R)-1-carboxy-2-[[3-oxo-3-[[2-[[2-[(13S)-8-oxo-11-azatetracyclo[8.4.0.01,13.02,7]tetradeca-2,4,6,9-tetraene-11-carbonyl]-1H-indol-5-yl]carbamoyl]-1H-indol-5-yl]amino]propyl]disulfanyl]ethyl]amino]-1-oxopropan-2-yl]amino]-1-oxopentan-2-yl]amino]-3-carboxy-1-oxopropan-2-yl]amino]-5-oxopentanoic acid