The molecule SMILES Cc1cccc(C(=O)NCc2nnc3c4ccccc4c(-c4ccccc4)nn23)c1 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}.