The SMILES COc1ccc(NC2=CC(=O)CC(c3ccc(C)cc3)C2)c(OC)c1 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}.