Based on the SMILES c1ccc2c(c1)CCN1CCNCC21, the molecule is permeable through the membrane separating circulating blood and extracellular brain fluid.
Based on the {SMILES__description} {#representation |!}{SMILES#}, the molecule is {p_np#not &NULL}{p_np__names__adjective}.
c1ccc2c(c1)CCN1CCNCC21
c1ccc2c(c1)CCN1CCNCC21
2,3,4,6,7,11b-hexahydro-1H-pyrazino[2,1-a]isoquinoline