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 blocker (<10uM): Nc1nc(=O)c2ncn(COCCO)c2[nH]1
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#}
2-amino-9-(2-hydroxyethoxymethyl)-3H-purin-6-one