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. Nc1[nH]c(=O)ncc1F
b. CC(C)[N+]1(C)C2CCC1CC(OC(=O)C(CO)c1ccccc1)C2.[Br-]
c. O=C1CCCN1CCCCN1CCN(c2cc(C(F)(F)F)ccn2)CC1
d. Fc1cccc(Br)c1NC1=NCCN1
e. CCN(CC)c1ccc(NC(=O)c2ccccc2N)c(C)c1
Answer: a, 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}