User: I'm looking for the SMILES of a molecule that does not block hERG (<10uM)?
Assistant: This is a molecule that is not a human ether-à-go-go related gene (hERG) blocker (<10uM): COc1c(C)cnc(Cn2cnc3c(Cl)nc(N)nc32)c1C
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-chloro-9-[(4-methoxy-3,5-dimethylpyridin-2-yl)methyl]purin-2-amine