The molecule with the SMILES O=C(NCCN1CCOCC1)c1ccc(Cl)cc1 is not a hERG blocking compound.
The molecule with the {SMILES__description} {#representation of |!}{SMILES#} is {herg_blocker#not &NULL}a {herg_blocker__names__noun}.
4-chloro-N-(2-morpholin-4-ylethyl)cyclohexa-1,3,5-triene-1-carboxamide