The SMILES Cc1ccc(CNS(=O)(=O)c2cc3c4c(c2)C(C)C(=O)N4CCC3)cc1 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}.