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) O=c1cc(O)cc2n1CCC2
(b) CCN(CC)c1cc2oc(=O)cc(C)c2cc1NC(=O)c1cc([N+](=O)[O-])cc([N+](=O)[O-])c1
(c) CC(C)[Si](OC1=C(C(=O)N(C)c2cccc(Cl)c2)CCCC1)(C(C)C)C(C)C
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}