The SMILES CC(=O)c1ccc(-c2nc3c4ccccc4ccn3c2C(C)=O)o1 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}.