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#C[C@H]1CN(C(=O)C[C@H](N)Cc2cc(F)c(F)cc2F)C[C@H]1F
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#}
(3R,4S)-1-[(3R)-3-azanyl-4-[2,4,5-tris(fluoranyl)phenyl]butanoyl]-4-fluoranyl-pyrrolidine-3-carbonitrile