Based on the SMILES O=C(N/N=C/c1cccc(O)c1)c1cc2c(ccc3ccccc32)o1, the molecule is not a hERG blocker.
Based on the {SMILES__description} {#representation |!}{SMILES#}, the molecule is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.