Task: Please answer the multiple choice question.
Question: Which molecules are penetrating the blood brain barrier to reach the brain?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a CN(C)CCC=C1c2ccccc2Sc2ccccc21
b CN(C(=O)CNC1CC1)c1ccc(Cl)cc1C(=O)c1ccccc1Cl
c CN(C)CCn1cnc2c1c(=O)n(C)c(=O)n2C
d COC(=O)[C@H]1[C@H]2C[C@@H]3c4[nH]c5ccc(Cl)cc5c4CCN3C[C@H]2C[C@@H](OC(=O)c2cc(OC)c(OC)c(OC)c2)[C@@H]1OC
e CC1=C2C(c3cccc(Cl)c3)=NCCN=C2N(C)N1
Answer: a, b, c, d, e
Task: Please answer the multiple choice question.
Question: Which molecules are {penetrate_BBB#not &NULL}{penetrate_BBB__names__adjective}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%penetrate_BBB%}
Answer: {%multiple_choice_result}