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 other words.
Options:
a: COc1ccc2c(c1)/C(=C/CCN(C)C)c1ccccc1O2
b: CN1/C(=C(/O)Nc2ccccn2)C(=O)c2ccccc2S1(=O)=O
c: CNC1CCN2c3ccccc3CCc3cccc1c32
d: CN1C(=O)CN=C(C2=CCCCC2)c2cc(Cl)ccc21
e: OC1(c2ccc(Cl)cc2)c2ccccc2C2=NCCN21
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}