The SMILES Cc1ccc(NC(=O)CCCc2nc3ccccc3c(=O)[nH]2)c(Cl)c1 is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.