The SMILES CC(=O)c1ccc(N2CCN(C(=O)CCCn3c(=O)[nH]c4ccccc4c3=O)CC2)cc1 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}.