IUPAC: 3-[(3E)-5-(5-hydroxy-1H-indol-3-yl)-2-oxo-2,3-dihydro-1H-pyrrol-3-ylidene]-2,3-dihydro-1H-indol-2-one

SMILES: Oc1ccc2[nH]cc(C3=C\C(C(=O)N3)=C3/C(=O)Nc4ccccc34)c2c1 |t:8|