Task: Please answer the multiple choice question.
Question: Which molecules are active against HIV?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. OC1C2CCC1C1C3C=CC(C3)C21
b. O=C1OC(c2cccc3ccccc23)c2ccccc21
c. CN(CC1NCCCC1O)C12CC3CC(CC(C3)C1)C2
d. O=C(CCC(=O)Nc1ccc(Cl)c(Cl)c1)CC(=O)c1ccc(Cl)cc1
Answer: b
Task: Please answer the multiple choice question.
Question: Which molecules are {activity_HIV#not &NULL}{activity_HIV__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%activity_HIV%}
Answer: {%multiple_choice_result}