IUPAC: 2-[(1E,3E,5E)-7-[(2E)-1-{6-[(2,5-dioxopyrrolidin-1-yl)oxy]-6-oxohexyl}-3,3-dimethyl-5-sulfo-2,3-dihydro-1H-indol-2-ylidene]hepta-1,3,5-trien-1-yl]-1-ethyl-3,3-dimethyl-3H-indol-1-ium-5-sulfonate

SMILES: CC[N+]1=C(\C=C\C=C\C=C\C=C2\N(CCCCCC(=O)ON3C(=O)CCC3=O)c3ccc(cc3C2(C)C)S(O)(=O)=O)C(C)(C)c2cc(ccc12)S([O-])(=O)=O |c:2|