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 or b without using any additional words.
Options:
[a] S=c1[nH]c2cccc3c2n1CC1CCCN1C3
[b] C[n+]1c(-c2ccc(C=NNc3ccnc(NN=Cc4ccc(-c5cn6ccsc6[n+]5C)cc4)n3)cc2)cn2ccsc21.Cc1ccc(S(=O)(=O)O)cc1
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}