The SMILES CCCCn1c(O)c(C=Nc2c(C)n(C)n(-c3ccccc3)c2=O)c(=O)[nH]c1=O is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.