The SMILES COc1ccc(C2c3[nH]c4ccccc4c3C[C@H]3C(=O)N(c4ccccc4C(=O)N4CCC(C(=O)O)CC4)C(=O)N23)cc1 is not a hERG blocker.
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.