Task: Please generate the SMILES of chemical based on the description below.
Description: A molecule that is not penetrating the blood brain barrier to reach the brain.
Result: CO/N=C(\C(=O)N[C@@H]1C(=O)N2C(C(=O)O)=C(Cn3nnc(C)n3)CS[C@H]12)c1csc(N)n1
Task: Please {#give me|create|generate!} the {SMILES__description} of {#molecule|chemical|chemical structure!} based on the {#text |!}description{# below|!}.
Description: A molecule that is {penetrate_BBB#not &NULL}{penetrate_BBB__names__adjective}.
Result: {SMILES#}