Task: Please classify a molecule based on the description.
Description: A molecule that is permeable through the membrane separating circulating blood and extracellular brain fluid.
SMILES: CC1(C)S[C@@H]2[C@H](N3C(=O)[C@@H](c4ccccc4)NC3(C)C)C(=O)N2[C@H]1C(=O)O
Constraint: Even if you are not sure, you must pick either "True" or "False" without using any extra words.
Result: False
Task: Please classify a molecule based on the description.
Description: A molecule that is {p_np__names__adjective}.
{#Molecule |!}{SMILES__description}: {SMILES#}
Constraint: Even if you are {#uncertain|not sure!}, you must pick either "True" or "False" without using any {#other|extra!} words.
Result: {p_np#False&True}
(2S,5R,6R)-6-[(4R)-2,2-dimethyl-5-oxo-4-phenylimidazolidin-1-yl]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid