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 C[Si]1(C)CCCSC1
b CCOc1ccccc1-n1c(-c2ccc([N+](=O)[O-])cc2)csc1=NC(=O)c1cccc([N+](=O)[O-])c1
c CC1(C)CC2(CC(C)(C)c3cc(O)c(O)cc32)c2cc(O)c(O)cc21
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}