['CC(C)N', 'Cc1ccc(C(C)(C)C)c(O)c1', 'C[C@@H](N)CO', 'Cc1ccc(C(C)(C)C)cc1', 'CC(C)C', 'Cc1cccc(OC[C@@H](C)N)c1']
The Murcko scaffold (minmal number of connected rings) of <smiles></smiles> is c1ccccc1.