The SMILES Cc1ccc2nc(N3CCN(C(=O)c4ccco4)CC3)c3nncn3c2c1 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}.