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 additional words.
Options:
a. O=C1C(O)=C(C(C2=C(O)C(=O)c3ccccc3C2=O)c2ccc(Cl)c(Cl)c2)C(=O)c2ccccc21
b. COC1N(C2CC(F)C(CO)O2)C(=O)NC(=O)C1(C)Cl
c. CCOC(OCC)C(C)=N[N+](C)(C)C
d. CCOC(=O)NN=CC1=NN(C(=O)OCC)S(=O)C1C
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}