The molecule with the SMILES representation of [2H]C([2H])=C([2H])c1c([2H])c([2H])c([2H])c([2H])c1[2H] is not flammable gas.
The molecule with the {SMILES__description} {#representation of |!}{SMILES#} is {H221#not &NULL}{H221__names__adjective}.