Based on the SMILES representation Cc1nn(CCCC(=O)NCCc2ccccc2)c(=O)c2nn(-c3ccccc3)c(C)c12, the molecule is not a hERG blocking compound (IC50 less than 10uM).
Based on the {SMILES__description} {#representation |!}{SMILES#}, the molecule is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.