Task: Please answer the multiple choice question.
Question: Which molecules are not active against HIV?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a. C=C([Si](C)(C)C)[Si](C)(C)C
b. Br.NC1OC(COC(=O)c2ccccc2)C(O)C(OC(=O)c2ccccc2)C1OC(=O)c1ccccc1
c. Cc1nc2c(ccc3c2ccc2c(O)c(Cl)c(C)nc23)c(O)c1Cl
d. CC1CCC(C(C)C)C(OC(=O)NCn2cc(-c3ccccc3)nn2)C1
Answer: a, b, c, d
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}