The SMILES Cc1ccc(OCC(=O)c2c(N)n(C)c(=O)n(C)c2=O)c([N+](=O)[O-])n1 is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.