User: I'm searching for the SMILES of a molecule that not is active against the human ether-à-go-go related gene (hERG)?
Assistant: This is a molecule that is not a hERG blocking compound: O=C(O)CCC(O)=C1S(=O)(=O)OCCOS1(=O)=O.[H-].[Na+]
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#}
sodium;hydride;4-hydroxy-4-(2,2,4,4-tetraoxo-1,5,2,4-dioxadithiepan-3-ylidene)butanoic acid