The SMILES Cc1ccc(NC(=O)CN(C)C(=O)c2ccc3[nH]c4c(c3c2)CC(C)CC4)cc1 is not a hERG blocking compound.
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.