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 additional words.
Options:
a O=[N+]([O-])c1ccc2[nH]nc(OCc3ccccn3)c2c1
b O=[As]1(c2ccccc2)c2ccccc2Oc2ccccc21
c O=Cc1ccc(-c2cccc([N+](=O)[O-])c2)s1
d O=c1[nH]nc(Cc2ccccc2)n1-n1cnnc1
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}