Task: Please answer the multiple choice question.
Question: Which molecules are not active against the human immunodeficiency virus?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. COC(=O)C1=NC(=N)N=C(C(=O)OC)C12C(=O)Cc1ccccc12
b. CC1=Nc2ccccc2NC2(C1)C(C1COC(C)(C)O1)OC1OC(C)(C)OC12
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}