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 O=[N+]([O-])C1=CC=NC1NCCSCc1ccccn1
b CCC(=O)C(c1ccccc1)(c1ccccc1)C(C)CN(C)C
c Oc1ccc2c3c1OC1C(O)C=CC4C(C2)NCCC341
d CCCCN/C(=C1/C=C(Cl)C=CC1=O)c1ccccc1Cl
e CC(C)(C)NCC(O)COc1cccc2c1C[C@H](O)[C@H](O)C2
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}