COC(=O)[C@H]1[C@H]2C[C@@H]3c4[nH]c5ccc(Cl)cc5c4CCN3C[C@H]2C[C@@H](OC(=O)c2cc(OC)c(OC)c(OC)c2)[C@@H]1OC is penetrating the blood brain barrier.
{SMILES#} is {penetrate_BBB#not &NULL}{penetrate_BBB__names__adjective}.