Based on the SMILES O=c1c2c(nc3c(-c4ccc(Cl)cc4)c[nH]n13)CCCC2, 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}.