The SMILES CCCS(=O)(=O)N1CCN(CCN2C(=O)c3cccc4cccc(c34)C2=O)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}.