['Nc1cc(Cl)ccc1Cl', 'O=CC[C@@H]1SC(=O)NC1=O', 'Clc1ccc(Cl)cc1', 'NC(=O)C[C@@H]1SC(=O)NC1=O', 'O=C1CSC(=O)N1', 'CC(=O)Nc1cc(Cl)ccc1Cl']
The Murcko scaffold (minmal number of connected rings) of <smiles></smiles> is O=C(C[C@@H]1SC(=O)NC1=O)Nc1ccccc1.