The SMILES N#Cc1ccc(Cn2cncc2C[NH2+][C@H]2CCN(C(=O)c3cccnc3[O-])C2=O)cc1 is not a hERG blocker.
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_blocker#not &NULL}a {herg_blocker__names__noun}.