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. CN1/C(=C(\O)Nc2ccccn2)C(=O)c2sccc2S1(=O)=O
b. CN1C2CCC1CC(OC(=O)C(CO)c1ccccc1)C2
c. CCc1c(OC)nc2nc(C(=O)c3ccccc3)cn2c1C
d. CC(C)(C)NC(=O)C1CC2CCCCC2CN1CC(O)C(Cc1ccccc1)NC(=O)C(CC(N)=O)NC(=O)c1ccc2ccccc2n1
e. CCOC1c2ccccc2C(=O)N(C)c2ccccc21
Answer: 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}