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(C=C1Nc2ccc([N+](=O)[O-])cc2NC1=CC(=O)c1ccc(Cl)cc1)c1ccc(Cl)cc1
[b] CCCCCCCCCC=C(c1cc(Cl)c(O)c(C(=O)O)c1)c1cc(Cl)c(O)c(C(=O)O)c1.N
[c] CC1(C)C2CCC1(CS(=O)(=O)O)C(=O)C2.CC1C[N+](C)=C2CCCCC2=C1O
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}