['COCCOCCN', 'O=Cc1ccc[nH]c1=S', 'CO', 'CCOCCNC(=O)c1ccc[nH]c1=S', 'CCOC', 'O=C(NCCO)c1ccc[nH]c1=S', 'COCCO', 'CCNC(=O)c1ccc[nH]c1=S', 'CCOCCOC', 'NC(=O)c1ccc[nH]c1=S', 'S=c1cccc[nH]1', 'COCCOCCNC=O']
The Murcko scaffold (minmal number of connected rings) of <smiles></smiles> is S=c1cccc[nH]1.