['Nc1cccc(Cl)c1', 'CN(CC=O)CCCNS(C)(=O)=O', 'CCCNS(C)(=O)=O', 'CNCC(=O)Nc1cccc(Cl)c1', 'CS(N)(=O)=O', 'CCCN(C)CC(=O)Nc1cccc(Cl)c1', 'CNCCCNS(C)(=O)=O', 'CC(=O)Nc1cccc(Cl)c1', 'C[SH](=O)=O', 'CN(CCCN)CC(=O)Nc1cccc(Cl)c1', 'Clc1ccccc1', 'CN(CCCNS(C)(=O)=O)CC(N)=O']
The Murcko scaffold (minmal number of connected rings) of <smiles></smiles> is c1ccccc1.