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) blocking compound: O=C(c1ccccc1F)c1ccccc1F
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#}