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] Cn1c(=Nc2ccccc2[N+](=O)[O-])sc2ccccc21
[b] Cc1ccc(SSc2ccc(C)cc2C(=O)O)c(C(=O)O)c1
[c] O=c1c2cc([N+](=O)[O-])cnc2sn1-c1ccc(Oc2ccccc2)cc1
[d] CN(C)CCNc1nc(-c2cccs2)cc(-c2cccs2)n1
Answer: c
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}