Task: Please generate a SMILES based on the description.
Description: A molecule that is permeable through the membrane separating circulating blood and extracellular brain fluid.
Result: Nc1nc(=O)c2c([nH]1)NCC(CNc1ccc(C(=O)N[C@@H](CCC(=O)[O-])C(=O)[O-])cc1)N2C=O.[Ca+2]
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#}
Nc1nc(=O)c2c([nH]1)NCC(CNc1ccc(C(=O)N[C@@H](CCC(=O)[O-])C(=O)[O-])cc1)N2C=O.[Ca+2]
Nc1nc(=O)c2c([nH]1)NCC(CNc1ccc(C(=O)N[C@@H](CCC(=O)[O-])C(=O)[O-])cc1)N2C=O.[Ca+2]
calcium;(2S)-2-[[4-[(2-azanyl-5-methanoyl-4-oxidanylidene-1,6,7,8-tetrahydropteridin-6-yl)methylamino]phenyl]carbonylamino]pentanedioate