User: I'm looking 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: Cn1c(=O)c2nc[nH]c2n(C)c1=O
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#}
1,3-dimethyl-9H-purine-2,6-dione