Task: Please answer the multiple choice question.
Question: Which molecules are 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] CC(C)(C)[Si](C)(C)OCC1OC(n2ccc(=O)[nH]c2=O)C(OC(=S)Oc2ccccc2)C1O[Si](C)(C)C(C)(C)C
[b] COc1ccccc1NC(=S)Nc1cccc(C)n1
[c] Cc1ccc(S(=O)(=O)N2CCCSCC2)cc1
Answer: 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}