User: I need a molecule that is not potential cause for cancer.
Assistant: Here is a molecule that is not potential cause for cancer: O=C(Cl)/C=C/C(=O)Cl.
User: I need a molecule that is {H350#not &NULL}{H350__names__noun}.
Assistant: Here is a molecule that is {H350#not &NULL}{H350__names__noun}: {SMILES#}.