['CC(C)(C)O', 'CC(O)CN(C)Cc1csc(Br)c1', 'CC(C)C', 'CN(Cc1csc(Br)c1)CC(O)CO', 'Cc1csc(Br)c1', 'CNCC(O)COC(C)(C)C', 'CC(O)COC(C)(C)C', 'CNCc1csc(Br)c1', 'Brc1cccs1', 'CN(C)CC(O)COC(C)(C)C']
The Murcko scaffold (minmal number of connected rings) of <smiles></smiles> is c1ccsc1.