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, or c without using any other words.
Options:
a. CC=CC(O[Si](C)(C)C(C)(C)C)C(O)C=CC(=O)OCC
b. Cc1cnc2sn(-c3ccc(Br)cc3)c(=O)c2c1
c. CCC1(O[N+](=O)[O-])CN([N+](=O)[O-])C1
Answer: a, b, c
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}