The SMILES CO[C@@]1(NC(=O)C2SC(=C(C(N)=O)C(=O)O)S2)C(=O)N2C(C(=O)O)=C(CSc3nnnn3C)CS[C@@H]21 represents a molecule that is notidentified as penetrating the blood brain barrier to reach the brain.
The {SMILES__description} {SMILES#} represents a molecule that is {penetrate_BBB#not&NULL}identified as {penetrate_BBB__names__adjective}.