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, or d without using any additional words.
Options:
a. NC(=O)CCCN/C(=C1\C=C(F)C=CC1=O)c1ccc(Cl)cc1
b. COc1ccc(Cl)c2c1CCCC2N(C)C
c. CN(C)CCCN1c2ccccc2C=Cc2sccc21
d. c1cnc(N2CCN(Cc3ccc4c(c3)OCO4)CC2)nc1
Answer: a, b, c, d
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}