IUPAC: (4-{7-methyl-2-oxo-3-[4-(sulfooxy)phenyl]-2,3-dihydro-1H-indol-3-yl}phenyl)oxidanesulfonic acid

SMILES: Cc1cccc2c1NC(=O)C2(c1ccc(OS(O)(=O)=O)cc1)c1ccc(OS(O)(=O)=O)cc1