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, b, c, d, or e without using any additional words.
Options:
a. CCCCN/C(=C1/C=C(Cl)C=CC1=O)c1ccccc1Cl
b. CCc1cc2c(s1)-n1c(C)nnc1CN=C2c1ccccc1Cl
c. O=C1NCCN1C1CCN(CCC2COc3ccccc3O2)CC1
d. CCC(=O)N(c1ccccc1)C1(COC)CCN(CCc2cccs2)CC1
e. COc1ccc2c3c1OC1C(O)C=CC4C(C2)NCCC341
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}