The SMILES COc1cccc(N2CCN(C(=O)CCC(=O)c3ccc(Cl)s3)CC2)c1 is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.