The SMILES CC(=O)N=c1sc2nc3ccccc3nc2n1N(C(C)=O)C(C)=O is not a hERG blocking compound (IC50 less than 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.