The SMILES Cc1nc2c(C)cccn2c(=O)c1NC(=O)c1cccc2ccccc12 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}.