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, d, or e without using any additional words.
Options:
a O=C(C=C(O)C(=O)O)C=C(O)c1ccccc1Cl
b COc1ccc2nc(C(N)=CC#N)ccc2c1
c COc1cc(Br)c2nsnc2c1
d O=C1CCCCCC1=Cc1ccc(F)cc1
e CCOP(=O)(OCC)C(C1OC(n2ccc(=O)[nH]c2=O)C(O[Si](C)(C)C(C)(C)C)C1O[Si](C)(C)C(C)(C)C)N(C)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}