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): Nc1n[nH]c2nnc(-c3c(-c4ccccc4)nn4ccccc34)cc12
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#}
5-(2-phenylpyrazolo[1,5-a]pyridin-3-yl)-1H-pyrazolo[3,4-c]pyridazin-3-amine