Compound: piperacillin
SMILES: O.CCN1CCN(C(=O)N[C@@H](C(=O)N[C@H]2[C@H]3SC(C)(C)[C@@H](N3C2=O)C(O)=O)c4ccccc4)C(=O)C1=O
Blood-brain barrier penetration (p_np): 1