['C#CCN', 'Cc1cc(NC(=O)CSCC=O)no1', 'Cc1cc(N)no1', 'C#CCNC(=O)CSCC=O', 'C#CC', 'Cc1cc(NC(=O)CSCC(N)=O)no1', 'C#CCNC(C)=O', 'Cc1cc(NC(=O)CS)no1', 'C#CCNC(=O)CS', 'CC(=O)Nc1cc(C)on1', 'Cc1ccno1', 'C#CCNC(=O)CSCC(N)=O']
The Murcko scaffold (minmal number of connected rings) of <smiles></smiles> is c1cnoc1.