['CC(=O)O', 'Cc1occc1C(=O)/C(C#N)=C/c1ccccc1O', 'O=C(O)CO', 'Cc1occc1C(=O)/C(C#N)=C/c1ccccc1', 'Cc1ccco1', 'N#C/C(C=O)=C\\c1ccccc1OCC(=O)O', 'Cc1occc1C(=O)CC#N', 'Cc1ccccc1OCC(=O)O']
The Murcko scaffold (minmal number of connected rings) of <smiles></smiles> is O=C(/C=C/c1ccccc1)c1ccoc1.