The SMILES O=C1CC2(CCCC2)CC(=O)N1CCCCN1CCN(c2nsc3ccccc23)CC1 is penetrating the blood brain barrier to reach the brain.
The {#molecule |!}{SMILES__description} {SMILES#} is {penetrate_BBB#not &NULL}{penetrate_BBB__names__adjective}.