User: I'm looking for the SMILES of a molecule that does not block hERG (<10uM)?
Assistant: This is a molecule that is not a human ether-à-go-go related gene (hERG) blocker (<10uM): N#Cc1ccc(O[C@@H]2CN[C@H](C(=O)N3CCCN(C4CCC4)CC3)C2)cc1
User: I'm {#searching|looking!} for the {SMILES__description} of a molecule that does {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#}
4-[(3S,5S)-5-(4-cyclobutyl-1,4-diazepane-1-carbonyl)pyrrolidin-3-yl]oxybenzonitrile