['C[C@H](N)[C@@H]1CCCO1', 'O=CNC[C@H]1COc2ccccc2O1', 'C[C@H](NC=O)[C@@H]1CCCO1', 'NC[C@H]1COc2ccccc2O1', 'CC[C@@H]1CCCO1', 'NC(=O)NC[C@H]1COc2ccccc2O1', 'C[C@H]1COc2ccccc2O1', 'C[C@H](NC(N)=O)[C@@H]1CCCO1', 'C1CCOC1', 'CCNC(=O)NC[C@H]1COc2ccccc2O1', 'c1ccc2c(c1)OCCO2', 'CNC(=O)N[C@@H](C)[C@@H]1CCCO1']
The Murcko scaffold (minmal number of connected rings) of <smiles></smiles> is O=C(NC[C@@H]1CCCO1)NC[C@H]1COc2ccccc2O1.