['CCOCC(C)N', 'CN(C)c1ccc(C=O)cc1', 'CC', 'CC(CO)NC(=O)c1ccc(N(C)C)cc1', 'CCO', 'CC(C)NC(=O)c1ccc(N(C)C)cc1', 'CCCOCC', 'CN(C)c1ccc(C(N)=O)cc1', 'CNC', 'CCOCC(C)NC(=O)c1ccccc1', 'CCOCC(C)NC=O', 'CN(C)c1ccccc1']
The Murcko scaffold (minmal number of connected rings) of <smiles></smiles> is c1ccccc1.