(2E)-2-[(2E,4Z)-5-[1-[6-[2-[[(2S)-2-[[(2S)-3-cyclohexyl-2-[[4-[2-[4-[4-[[8-(diethylamino)-10-phenylphenazin-10-ium-2-yl]diazenyl]-N-methylanilino]butanoylamino]ethyl]benzoyl]amino]propanoyl]amino]butanoyl]amino]ethylamino]-6-oxohexyl]-3,3-dimethyl-5-sulfoindol-1-ium-2-yl]penta-2,4-dienylidene]-1-ethyl-3,3-dimethylindole-5-sulfonic acid