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: Fc1ccc(-n2cc(C3CC[NH2+]CC3)c3cc(Cl)ccc32)cc1
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#}