['Cc1ccccc1', 'O=C1NCCCC[C@@H]1S', 'c1ccccc1', 'CS[C@H]1CCCCNC1=O', 'SCc1ccccc1', 'O=C1CCCCCN1']
The Murcko scaffold (minmal number of connected rings) of <smiles></smiles> is O=C1NCCCC[C@@H]1SCc1ccccc1.