User: I'm searching for the SMILES of a molecule that does not block hERG (<10uM)?
Assistant: This is a molecule that is not a hERG blocking compound (<10uM): O=C1c2ccccc2-n2ccc3c4ccccc4nc-3c21
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#}
3,13-diazapentacyclo[11.7.0.02,10.04,9.014,19]icosa-1,3,5,7,9,11,14,16,18-nonaen-20-one