User: Is the molecule with the SMILES O=C(Cn1cnnn1)N[C@@H]1C(=O)N2C(C(=O)O)=C(CSc3nncs3)CS[C@H]12 penetrating the blood brain barrier?
Assistant: No, it is not penetrating the blood brain barrier.
User: Is the molecule with the {SMILES__description} {SMILES#} {penetrate_BBB__names__adjective}?
Assistant: {penetrate_BBB#No&Yes}, it is {penetrate_BBB#not &NULL}{penetrate_BBB__names__adjective}.