The SMILES CC(=O)Oc1cccc(/C=c2\sc3nc(-c4ccco4)nn3c2=O)c1 is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.