Task: Please answer the multiple choice question.
Question: Which molecules are active against HIV?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] COc1nc2c(c(=O)n1C)N(C(C)=O)C1C(N2)OCC(OC(C)=O)C1OC(C)=O
[b] Cc1nn(C(=O)Cc2ccccc2)c2c1C(c1ccc(Cl)cc1)SC(=N)N2
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}