The molecule SMILES CN1C(=O)C2(c3ccccc31)c1c(oc3ccccc3c1=O)C(=O)N2CCCO is not a hERG blocking compound.
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.