['CO', 'CCNC(=S)N(C)Cc1ccoc1C', 'CCOC', 'Cc1occc1CN(C)C(N)=S', 'Cc1ccoc1C', 'CNC(=S)NCCOC', 'Cc1ccco1', 'COCCNC(=S)N(C)C']
The Murcko scaffold (minmal number of connected rings) of <smiles></smiles> is c1ccoc1.