The molecule SMILES O=C1NC(=O)C(=Cc2ccc(N3CCN(C(=O)c4ccccc4)CC3)c([N+](=O)[O-])c2)C(=O)N1 is 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}.