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 human ether-à-go-go related gene (hERG) blocker (<10uM): O=C(O[C@@H]1COc2nc([N+](=O)[O-])cn2C1)N1CCN(c2ccc(OC(F)(F)F)cc2)CC1
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#}
[(6S)-2-nitro-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazin-6-yl] 4-[4-(trifluoromethoxy)phenyl]piperazine-1-carboxylate