Based on the SMILES CC(C)(C)NCC(O)c1ccc(O)c(NC(N)=O)c1, the molecule is not permeable through the membrane separating circulating blood and extracellular brain fluid.
Based on the {SMILES__description} {#representation |!}{SMILES#}, the molecule is {p_np#not &NULL}{p_np__names__adjective}.
[5-[2-(tert-butylamino)-1-hydroxyethyl]-2-hydroxyphenyl]urea