CC(=O)OCC1=C(C(=O)O)N2C(=O)[C@@H](NC(=O)CSc3ccncc3)[C@H]2SC1 represents a molecule that is not identified as penetrating the blood brain barrier.
{SMILES#} represents a molecule that is {penetrate_BBB#not &NULL}identified as {penetrate_BBB__names__adjective}.