Based on the SMILES C=CCn1c(=O)[nH]c2cc(C(=O)N3CCN(c4cccc(Cl)c4)CC3)ccc2c1=O, 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}.