The SMILES CCn1nc(NS(=O)(=O)c2ccc(NC(C)=O)cc2)c2cc3cc(C)ccc3nc21 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}.