['N#CCCNCCC#N', 'O=CCc1csc(-c2cccc(Br)c2)n1', 'CCC#N', 'N#CCCNC(=O)Cc1csc(-c2cccc(Br)c2)n1', 'CC(=O)N(CCC#N)CCC#N', 'Brc1cccc(-c2nccs2)c1', 'Brc1ccccc1', 'N#CCCN(CCC#N)C(=O)Cc1cscn1']
The Murcko scaffold (minmal number of connected rings) of <smiles></smiles> is c1ccc(-c2nccs2)cc1.