The SMILES O=C(NCCOc1cccc(Cl)c1Cl)c1cc(-n2cnnc2)ccc1Cl is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.