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, c, or d without using any other words.
Options:
(a) CCCCc1ccc(-n2sc3ncc(-c4ccccc4)cc3c2=O)cc1
(b) O=c1c(O)c(-c2ccc(-c3oc4ccccc4c(=O)c3O)cc2)oc2ccccc12
(c) COC(=O)C1CC(O)CN1C(=O)c1ccc([N+](=O)[O-])cc1[N+](=O)[O-]
(d) Cc1cc(C)c(C2=NOC3C(=O)N(c4ccc(Cc5ccc(N6C(=O)C7ON=C(c8c(C)cc(C)cc8C)C7C6=O)cc5)cc4)C(=O)C23)c(C)c1
Answer: a
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}
2-(4-butylphenyl)-5-phenyl-[1,2]thiazolo[5,4-b]pyridin-3-one