The chemical with the SMILES of CO/N=C(\C(=O)N[C@@H]1C(=O)N2C(C(=O)O)=C(CSc3nnnn3C)CS[C@H]12)c1csc(N)n1 shows no permeability through the blood-brain barrier.
The {#compound|chemical!} with the {SMILES__description} of {SMILES#} {#shows|exhibits|displays!} {p_np#no &NULL}{p_np__names__noun}.
(6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-3-[(1-methyltetrazol-5-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid