The SMILES Cn1c(=O)c2c(ncn2CC(=O)N2CCN(S(=O)(=O)c3ccccc3)CC2)n(C)c1=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}.