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=CC1C=Cc2ccccc2C1(C=O)CCC1(C)OCCO1
b: Clc1ccc(-c2cc3nc4ccccc4nc3o2)cc1
c: CN(C)c1nncc2[nH]nnc12
d: CC(C)(C)[Si](C)(C)OCc1cccc(OCCOc2cccc(CO[Si](C)(C)C(C)(C)C)c2[N+](=O)[O-])c1[N+](=O)[O-]
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}