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 other words.
Options:
[a] CCSCCCCCCCCCCCC(=O)OCC1OC(n2cc(C)c(=O)[nH]c2=O)CC1F
[b] CS(=O)(=O)OCC1CN(S(C)(=O)=O)c2cc(O)ccc21
[c] COC(=O)C1=CCCCCCC(N2CCOCC2)=C1C(=O)OC
[d] CC(=O)c1c(-c2ccco2)c(C#N)c(=S)n(C2OC(CO)C(O)C(O)C2O)c1C
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}