User: I need a molecule that is not is toxic in contact with skin.
Assistant: Here is a molecule that is not is toxic in contact with skin: Nc1cc([N+](=O)[O-])ccc1O.
User: I need a molecule that is {H311#not &NULL}{H311__names__adjective}.
Assistant: Here is a molecule that is {H311#not &NULL}{H311__names__adjective}: {SMILES#}.