The SMILES CC(=O)Oc1ccc2oc(=O)c3c(c2c1)CCCN3C(=O)CN1CCN(c2ncccn2)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}.