User: I'm searching for the SMILES of a molecule that not is active against hERG (<10uM)?
Assistant: This is a molecule that is not a human ether-à-go-go related gene (hERG) blocker: COC(=O)C1=C(C)NC(C)=C(C(=O)OC(C)C)[C@H]1c1cccc2nonc12
User: I'm {#searching|looking!} for the {SMILES__description} of a molecule that {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-O-methyl 5-O-propan-2-yl (4S)-4-(2,1,3-benzoxadiazol-4-yl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate