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 additional words.
Options:
a) Cc1cc(NS(=O)(=O)c2ccc(N)cc2)no1
b) CC1(C)S[C@@H]2C(NC(=O)[C@H](NC(=O)c3c[nH]c4cccnc4c3=O)c3ccccc3)C(=O)N2[C@H]1C(=O)O
Answer: a
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}