Chemist: Come up with a molecule that is not an oxidizer.
Assistant: Here is a molecule that is not an oxidizer: O[C@@H]1CO[C@H]2[C@@H]1OC[C@@H]2O.
Chemist: {#Give me|Propose|Come up with!} a molecule that is {H270#not &NULL}{H270__names__noun}.
Assistant: Here is a molecule that is {H270#not &NULL}{H270__names__noun}: {SMILES#}.