The SMILES COC(=O)C1(CC2CC(c3ccccc3)=NO2)CCN(C(=O)OC(C)(C)C)CC1 is not a human ether-à-go-go related gene (hERG) blocker.
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.