The SMILES CCCCNC(=O)CSc1nc2n[nH]c(C)c2c(=N)n1-c1cccc(Cl)c1C is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.