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 or b without using any additional words.
Options:
a: CCNCC.O=C1C2CCCC1C1C(=[N+]([O-])[O-])C=C([N+](=O)[O-])C2C1[N+](=O)[O-]
b: N=c1ccn(C2OC(COC(=O)c3ccccc3)C(OC(=O)c3ccccc3)C2I)c(=O)[nH]1
Answer: a, 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}