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, or c without using any additional words.
Options:
a.) CN(C)CCN1C(=O)CC(c2ccccc2)Sc2ccccc21
b.) O=C1CCC2CCC(=O)N12
c.) CC(C)(C)NCC(O)COc1cccc2c1CCC(=O)N2
Answer: a, b
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}