The SMILES O=C1C2C3C=CC(C4CC34)C2C(=O)N1/N=C/c1cccs1 is not a human ether-à-go-go related gene (hERG) blocking compound.
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.