The molecule SMILES Cc1nc2ccc(Cc3ccc4nc(C)[nH]c4c3)cc2[nH]1 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}.