Task: Please answer the multiple choice question.
Question: Which molecules are not active against the human immunodeficiency virus?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a CN=c1ncc2nc(-c3ccccc3)c(-c3ccccc3)n(C)c-2n1
b C=CCCNCCC=C[Si](C)(C)C
c COC1(Cc2cc(O)c(O)c(Br)c2Br)C(=O)OC2C(O)COC21O
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}