The SMILES CCCCC(NC(=O)Cc1c(C)c2cc3c4c(oc3cc2oc1=O)CCCC4)C(=O)O is not a hERG blocking compound (IC50 less than 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.