User: I need a molecule that is not a flammable solid.
Assistant: Here is a molecule that is not a flammable solid: CC(C)C[C@@H](N)C(=O)O.
User: I need a molecule that is {H228#not &NULL}{H228__names__noun}.
Assistant: Here is a molecule that is {H228#not &NULL}{H228__names__noun}: {SMILES#}.