Task: Please answer the multiple choice question.
Question: Which molecules are penetrating the blood brain barrier?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a C/C=C\C1O[C@]2(C(=O)COC(=O)c3ccncc3)CC[C@@]3(O1)[C@@H]1CCC4=CC(=O)CC[C@]4(C)[C@H]1[C@@H](O)C[C@]23C
b Clc1ccc2c(c1)C(N1CCNCC1)=Nc1ccccc1O2
Answer: a, b
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}