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 additional words.
Options:
a) O=C(Nc1ccc([N+](=O)[O-])cc1)N(c1ccccc1)c1cc(N2CCOCC2)ccn1
b) C=CCN(c1cc(OC)c(NC(C)=O)cc1[N+](=O)[O-])S(C)(=O)=O
c) Cc1cn(C2CC(O[Si](C)(C)C(C)(C)C)C(C=[N+](C)[O-])O2)c(=O)[nH]c1=O
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}