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: CCOC(=O)C(F)=Cc1cccc(C#N)c1
b: CCSCCCCCCCCCCCC(=O)OCC1OC(n2cc(C)c(=O)[nH]c2=O)CC1N=[N+]=[N-]
c: CC1(C)OCC2OC3(CO)NP(=O)(N(CCCl)CCCl)OC3C2O1
d: CCOP(=O)(OCC)C(C#N)=Cc1cccc(F)c1
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}