IUPAC: potassium 2-[(1E,3E)-5-[(2E)-1-(5-{[2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethyl]carbamoyl}pentyl)-3,3-dimethyl-5-sulfonato-2,3-dihydro-1H-indol-2-ylidene]penta-1,3-dien-1-yl]-1,3,3-trimethyl-3H-indol-1-ium-5-sulfonate

SMILES: [K+].C[N+]1=C(\C=C\C=C\C=C2\N(CCCCCC(=O)NCCN3C(=O)C=CC3=O)c3ccc(cc3C2(C)C)S([O-])(=O)=O)C(C)(C)c2cc(ccc12)S([O-])(=O)=O