Task: Please answer the multiple choice question.
Question: Which molecules are active against HIV?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: O=C(O)Cn1[se]c2ccccc2c1=O
b: O=C(Nc1ccccc1)N1CCNC1=S
c: CCOC(=O)C1SC(=NC(=N)N[N+](=O)[O-])N=C1C
d: O=c1c(NO)c([N+](=O)[O-])cnn1-c1ccccc1
Answer: a, 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}