Chemist: Come up with 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: CCCCOCCOCCO.
Chemist: {#Give me|Propose|Come up with!} a molecule that is {H311#not &NULL}{H311__names__adjective}.
Assistant: Here is a molecule that is {H311#not &NULL}{H311__names__adjective}: {SMILES#}.