The SMILES Cc1ccc(-n2nc(C)c3c(C)c(CCC(=O)NCc4ccccc4)c(C)nc32)cc1 is not a hERG blocking compound.
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.