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. CCOc1ccc2c(ccc(C=Cc3cc(C)c4cccnc4c3O)[n+]2C)c1
b. CNC(=O)c1ccc(NC(=O)Nc2cccc(C3=NCCN3)c2)cc1NC(=O)Nc1cccc(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}