The molecule SMILES O=C(Cn1nnc(-c2ccc3c(c2)OCO3)n1)Nc1ccccc1C(=O)O 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}.