The SMILES Cc1ccc(C2(c3ccccc3)NC(=O)N(CC(=O)NCc3ccccc3)C2=O)cc1C is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.