The SMILES Cc1ccc(CC2CC(=O)N(c3nc(C)cc(C)n3)C2=O)cc1 is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.