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 or b without using any additional words.
Options:
[a] O=C(NN1C(=O)c2ccccc2C1=O)c1ccccc1Nc1ccccc1C(=O)NN1C(=O)c2ccccc2C1=O
[b] CCCCNC(=O)c1cc(NC(=O)c2ccc(C(=O)Nc3cc(C(=O)NCCCC)cc(C4N=CCN4)c3)cc2)cc(C2=NCCN2)c1
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}