The SMILES CCCCn1c(N)c(N(CCC(C)C)C(=O)CSc2nnc(Nc3ccccc3)s2)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}.