The SMILES CCc1nc(N)nc(N)c1-c1ccc(Cl)cc1 is not a human ether-à-go-go related gene (hERG) blocking compound.
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_blocker#not &NULL}a {herg_blocker__names__noun}.
5-(4-chlorophenyl)-6-ethylpyrimidine-2,4-diamine