The SMILES C=CCNC(=O)C1CC2Cn3c(nc4cc5ccccc5cc43)C2N1C 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}.