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: OCCN1CCN(CC/C=C2/c3ccccc3Sc3ccc(Cl)cc32)CC1
b: CCC(=O)N(c1ccccc1)C1(COC)CCN(CCc2cccs2)CC1
c: C=C1CC[C@@]2(O)[C@H]3Cc4ccc(O)c5c4[C@@]2(CCN3CC2CC2)[C@H]1O5
d: CC(C)n1cc2c3c(cccc31)C1C[C@@H](C(=O)NC3CCCCC3)CN(C)C1C2
e: CC(=O)OCC1=C(C(=O)O)N2C(=O)[C@@H](NC(=O)Cc3cccs3)[C@H]2SC1
Answer: a, b, c, d
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}