The molecule with the SMILES Clc1ccc(COC(Cn2ccnc2)c2ccc(Cl)cc2Cl)c(Cl)c1 is not penetrating the blood brain barrier to reach the brain.
The molecule with the {SMILES__description} {SMILES#} is {penetrate_BBB#not &NULL}{penetrate_BBB__names__adjective}.