['Cc1ccc(F)cc1N', 'O=C/C=C/c1ccc2c(c1)CCO2', 'Cc1ccc(F)cc1', 'NC(=O)/C=C/c1ccc2c(c1)CCO2', 'Cc1ccc2c(c1)CCO2', 'CC(=O)Nc1cc(F)ccc1C']
The Murcko scaffold (minmal number of connected rings) of <smiles></smiles> is O=C(/C=C/c1ccc2c(c1)CCO2)Nc1ccccc1.