The SMILES CCOc1cc(C2C(C(=O)OC(C)C)=C(C)NC3=C2C(=O)CCC3)cc([N+](=O)[O-])c1O is not a hERG blocking compound.
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.