The SMILES Cc1ccc(Cn2nnc3c(=O)n(CC(=O)c4ccccc4)cnc32)cc1 is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.