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) Nc1ccc(C2SCC(=O)N2NS(=O)(=O)c2cccc(C(=O)O)c2)cc1
(b) Cc1cc2ccccc2oc(=O)c1=NNc1ccccc1
(c) O=S(=O)(O)c1ccc(N=Nc2ccc(S(=O)(=O)O)cc2)cc1
(d) CNCCCNCCCSP(=O)(O)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}