The SMILES CCCc1nnc(NC(=O)CCC(=O)N2CCN(S(=O)(=O)c3ccc(C)cc3)CC2)s1 is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.