The SMILES COC(=O)C1=C(C)N(CCCC(=O)O)C(=O)NC1c1ccc([N+](=O)[O-])cc1 is not a hERG blocking compound.
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.