The SMILES Cc1nc(N2CCCCC2C)c2c(C)c(C(=O)Nc3cccc(C(F)(F)F)c3)sc2n1 is not a hERG blocking compound.
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.