User: I'm looking 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) blocking compound (<10uM): C[C@H](NC(=Nc1cccc2ccccc12)NC#N)c1ccccc1
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#}
1-cyano-2-naphthalen-1-yl-3-[(1S)-1-phenylethyl]guanidine