User: I'm searching for the SMILES of a molecule that is penetrating the blood brain barrier to reach the brain?
Assistant: This is a molecule that is penetrating the blood brain barrier to reach the brain: CC1=CC(=O)N2CC(=O)N(C)c3ccc(Cl)cc3C2(c2ccccc2)O1
User: I'm {#searching|looking!} for the {SMILES__description} of a molecule that is {penetrate_BBB#not &NULL}{penetrate_BBB__names__adjective}?
Assistant: This is a molecule that is {penetrate_BBB#not &NULL}{penetrate_BBB__names__adjective}: {SMILES#}