The SMILES O=C(CC1C(=O)NCCN1Cc1ccc(F)c(F)c1)NCCn1cccn1 is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.