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 additional words.
Options:
a: O=C1N=C(SSC2=NC(=O)C3(NN2)c2ccccc2-c2ccccc23)NNC12c1ccccc1-c1ccccc12
b: O=C(Nc1cccnc1)c1ccccc1[Se][Se]c1ccccc1C(=O)Nc1cccnc1
c: O=c1c2ccccc2nc(-c2ccccc2)n1NC1OC(CO)C(O)C(O)C1O
d: COc1ccc2nc(NC(=O)C(C#N)=Cc3ccccc3)sc2c1
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}