The SMILES Cc1ccc(O)c(NC(=O)c2ccc3c(c2)C(=O)N(CC(C)C)C3=O)c1 is not a hERG blocking compound (IC50 less than 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.