User: I need a molecule that is not a fire, blast or projection hazard.
Assistant: Here is a molecule that is not a fire, blast or projection hazard: [2H]C([2H])=C([2H])c1c([2H])c([2H])c([2H])c([2H])c1[2H].
User: I need a molecule that is {H206#not &NULL}{H206__names__noun}.
Assistant: Here is a molecule that is {H206#not &NULL}{H206__names__noun}: {SMILES#}.