The SMILES CCCNC(=O)N1CCN(c2nc(C(C)C)c3c(c2C#N)CC(C)(C)OC3)CC1 is not a human ether-à-go-go related gene (hERG) blocker.
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.