The SMILES Cl.O=C(NCCOC(=O)C1COc2ccccc2O1)c1cccnc1 is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.