User: I'm searching for the SMILES of a molecule that not blocks hERG?
Assistant: This is a molecule that is not a human ether-à-go-go related gene (hERG) blocker: O=C1NC(=O)C(c2ccccc2)(c2ccccc2)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#}
5,5-diphenylimidazolidine-2,4-dione