User: Is the molecule with the SMILES Cn1c(=O)c2[nH]cnc2n(C)c1=O.Cn1c(=O)c2[nH]cnc2n(C)c1=O.NCCN permeable through the membrane separating circulating blood and extracellular brain fluid?
Assistant: No, it is not permeable through the membrane separating circulating blood and extracellular brain fluid.
User: Is the molecule with the {SMILES__description} {SMILES#} {p_np__names__adjective}?
Assistant: {p_np#No&Yes}, it is {p_np#not &NULL}{p_np__names__adjective}.
1,3-dimethyl-7H-purine-2,6-dione;ethane-1,2-diamine