User: I'm searching for the SMILES of a molecule that not is active against hERG (<10uM)?
Assistant: This is a molecule that is not a human ether-à-go-go related gene (hERG) blocker: O=C1CN(/N=C/c2ccc(-c3ccc([N+](=O)[O-])cc3)o2)C(=O)N1
User: I'm {#searching|looking!} for the {SMILES__description} of a molecule that {herg_blocker#not &NULL}{herg_blocker__names__verb}?
Assistant: This is a molecule that is {herg_blocker#not &NULL}a {herg_blocker__names__noun}: {SMILES#}
1-[(E)-[5-(4-nitrophenyl)furan-2-yl]methylideneamino]imidazolidine-2,4-dione