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. COc1ccccc1OCC(COC(=O)Nc1ccc(C)cc1)OC(=O)Nc1ccc(C)cc1
b. Cc1occc1C(=S)Nc1ccc(Cl)c(C(=O)OCC(C)C)c1
c. O=C(NC(=O)c1ccccc1[N+](=O)[O-])Nc1ccc(Oc2ncc(Cl)cn2)c([N+](=O)[O-])c1
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}