User: I'm searching for the SMILES of a molecule that does not block the human ether-à-go-go related gene (hERG) (<10uM)?
Assistant: This is a molecule that is not a human ether-à-go-go related gene (hERG) blocker (<10uM): Cc1ccc(Nc2nc3ccc(N4CCN(C)CC4)cc3[nH]2)nc1
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#}
6-(4-methylpiperazin-1-yl)-N-(5-methylpyridin-2-yl)-1H-benzimidazol-2-amine