The SMILES Cc1cc(OCCN2CCC(Cc3ccccc3)CC2)ccc1[N+](=O)[O-].O=C(O)C(=O)O is a hERG blocking compound.
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.