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, or c without using any other words.
Options:
[a] COc1ccccc1NC(=S)Nc1cccc(C)n1
[b] COc1cccc(C2c3cc4c(cc3OC(N3CCCC3)C2C)OCO4)c1OC
[c] CC1=NN(C(=O)c2ccccc2O)C(=O)C1=Cc1ccc(O)cc1
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}