The SMILES O=c1[nH]c2cc(Cl)c(Cl)c([N+](=O)[O-])c2[nH]c1=O represents a molecule that is identified as permeable through the membrane separating circulating blood and extracellular brain fluid.
The {SMILES__description} {SMILES#} represents a molecule that is {p_np#not&NULL}identified as {p_np__names__adjective}.
O=c1[nH]c2cc(Cl)c(Cl)c([N+](=O)[O-])c2[nH]c1=O
O=c1[nH]c2cc(Cl)c(Cl)c([N+](=O)[O-])c2[nH]c1=O
6,7-dichloro-5-nitro-1,4-dihydroquinoxaline-2,3-dione