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, or c without using any other words.
Options:
(a) O=C(O)C1Cc2ccccc2OC1=O
(b) CCCCCCCCCCCCCCCCCCCCCCCCCCCCCC=C(c1cc(Cl)c(O)c(C(=O)O)c1)c1cc(Cl)c(O)c(C(=O)O)c1.N
(c) Cn1cnc([N+](=O)[O-])c1Sc1nc2cc(F)c(Cl)cc2[nH]1
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}