SMILES: C/C(=C\\C=C\\C1=[N+](C2=C(C1)C=C(C=C2)S(=O)(=O)[O-])CCS(=O)(=O)O)/C=C/C=C\\3/CC4=C(N3CCS(=O)(=O)O)C=CC(=C4)S(=O)(=O)O
Description: The molecule is a C7-cyanine dye having symmetrically-substituted 2-indolyl units at each end. It has a role as a fluorochrome. It derives from a C7-indocyanine.