The SMILES Cc1nc2c(-c3ccccc3)c(C)nn2cc1C(=O)Nc1ccccc1 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}.