Task: Please create a SMILES based on the text description.
Description: A molecule that is permeable through the membrane separating circulating blood and extracellular brain fluid.
Result: CCS(=O)(=O)CCn1c([N+](=O)[O-])cnc1C
Task: Please {#give me|create|generate!} a {#molecule |!}{SMILES__description} based on the {#text |!}description{# below|!}.
Description: A molecule that is {p_np#not &NULL}{p_np__names__adjective}.
Result: {SMILES#}
CCS(=O)(=O)CCn1c([N+](=O)[O-])cnc1C
CCS(=O)(=O)CCn1c([N+](=O)[O-])cnc1C
1-(2-ethylsulfonylethyl)-2-methyl-5-nitroimidazole