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 other words.
Options:
a. OCCN1CCN(CC/C=C2/c3ccccc3Sc3ccc(Cl)cc32)CC1
b. CNC(=O)CCN1CCN(CCC=C2c3ccccc3Sc3ccc(Cl)cc32)CC1
c. CN1CCC(=C2c3ccccc3CCc3sccc32)CC1
d. Cc1ncc(CSSCc2cnc(C)c(O)c2CO)c(CO)c1O
e. CCC1(CC)C(=O)NCC(C)C1=O
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}