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. COc1cc(-c2oc3c(OC)c(OC)cc(O)c3c(=O)c2OC)ccc1O
b. S=C1SCN2CCN3CSC(=S)N(CCN1C2)C3
c. CN(C)NC(=S)NC12CC3CC(CC(C3)C1)C2
d. O=C(NCC(F)([N+](=O)[O-])[N+](=O)[O-])N(CC(F)([N+](=O)[O-])[N+](=O)[O-])CC(F)([N+](=O)[O-])[N+](=O)[O-]
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}