The SMILES COCC(C)NCc1cccc([N+](=O)[O-])c1.O=C(O)C(=O)O is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.